WO2024256090A1 - Peptide mit schmutzablösender wirkung für wasch- und reinigungsmittel - Google Patents
Peptide mit schmutzablösender wirkung für wasch- und reinigungsmittel Download PDFInfo
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- WO2024256090A1 WO2024256090A1 PCT/EP2024/062746 EP2024062746W WO2024256090A1 WO 2024256090 A1 WO2024256090 A1 WO 2024256090A1 EP 2024062746 W EP2024062746 W EP 2024062746W WO 2024256090 A1 WO2024256090 A1 WO 2024256090A1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/08—Linear peptides containing only normal peptide links having 12 to 20 amino acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3719—Polyamides or polyimides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/12—Soft surfaces, e.g. textile
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
Definitions
- the invention relates to peptides and/or peptide conjugates as described herein.
- the invention further relates to washing or cleaning agents comprising at least one peptide and/or peptide conjugate as defined herein.
- the invention further relates to a method for cleaning textiles and/or hard surfaces using the washing or cleaning agent mentioned and the use of a peptide and/or peptide conjugate as a dirt-removing and/or dirt-repellent active ingredient when washing and/or cleaning textiles and/or hard surfaces, and for improving the cleaning performance of a washing or cleaning agent containing this peptide and/or peptide conjugate.
- a peptide and/or peptide conjugate as a dirt-removing and/or dirt-repellent active ingredient when washing and/or cleaning textiles and/or hard surfaces
- Adhesive peptides are also of interest for many other surfaces that make it difficult to treat or attach other objects, substances or compounds due to their material or surface properties.
- LSEP low surface energy polymers
- SRP polymers soil release and/or soil repellent polymers
- SRP polymers are water-soluble or water-dispersible polycondensates based on dicarboxylic acids and diols or cellulose ethers. SRP polymers are suspended in the wash liquor by surfactants.
- the polymer By diluting the wash liquor in the rinsing process, the polymer is absorbed by the textile so that the hydrophilic sides of the polymer protrude outwards while the hydrophobic sides bind to the fiber surface.
- SRP polymers therefore also have a positive effect on the ability to wash oil and grease out of textiles. This effect is particularly evident when a textile becomes soiled that has already been washed several times with an agent containing SRP polymer. The SRP polymers therefore only develop their full effect after several wash cycles.
- Typical SRP polymers can be based on copolymers of polyester and polyether, including terephthalate, e.g. polypropylene terephthalate.
- these polymers are typically not biodegradable.
- biodegradable SRP polymers for use in detergents and cleaning agents, and/or alternatives thereto.
- certain peptides and/or peptide conjugates can represent a biodegradable alternative to SRP polymers.
- Particularly noteworthy here are peptides with a hydrophobic end and a hydrophilic end, where the hydrophobic part can bind to the textile and the hydrophilic part cannot.
- Particularly advantageous peptides can adhere to plastic surfaces, preferably LSEP (low surface energy polymers) surfaces and in particular textiles made of (LSEP) plastic or with a (LSEP) plastic content.
- LSEP low surface energy polymers
- These peptides and/or peptide conjugates are therefore particularly suitable for use in detergents and cleaning agents, and can contribute to improved cleaning performance and/or give the textiles special properties.
- they could help to reduce synthetic and chemical substances, e.g. in washing or cleaning agents, or to do without them entirely, by providing a biodegradable alternative. They could also help to stabilize other ingredients.
- the peptide (A) is a peptide, where (i) the peptide has a total charge of 0 to +4, preferably 0 to +2, and/or (ii) the N-terminus comprising the first 3-4 amino acids has a positive net charge, and/or (iii) the C-terminus comprising the last 3-6 amino acids has a negative or neutral net charge and preferably comprises at least one negatively charged amino acid, in particular E, and/or (iv) the peptide contains no P and preferably also no G and even more preferably also no Y; and/or - the peptide (A) is one in which (i) the sequence X1X2X3 is RSI, RAL or RLA, preferably RSI or RAL; and/or (ii) (X 4 ) n X 5 at least one sequence X 6 X 7 X 8 where X 6 is a charged or uncharged amino acid, preferably R, K, E or Q, and X 7
- the at least one peptide and/or peptide conjugate is suitable for adhesion and/or binding to textiles. It is particularly preferred that the at least one peptide and/or peptide conjugate has a soil-repellent and/or soil-removing effect. It is particularly preferred that the at least one peptide and/or peptide conjugate is suitable for adhesion and/or binding to textiles, and wherein the peptide and/or peptide conjugate has a dirt-repellent and/or dirt-removing effect.
- the washing or cleaning agent according to the invention is a textile washing agent.
- the washing or cleaning agent preferably has a pH of about 6 to about 11, more preferably about 6.5 to about 10.5, even more preferably about 7 to about 10, particularly preferably about 8 to about 9.
- a washing or cleaning agent described herein is used in at least one method step, the method preferably being carried out in a temperature range from about 20°C to about 60°C, particularly preferably about 20°C to about 40°C; and/or - the use of a washing or cleaning agent described herein for cleaning textiles and/or hard surfaces, in particular dishes, preferably in a temperature range from about 20°C to about 60°C, particularly preferably about 20°C to about 40°C; and/or - the use of a peptide according to the invention as a dirt-repellent and/or dirt-removing active ingredient, preferably in a temperature range of about 20°C to about 60°C, particularly preferably about 20°C to about 40°C; and/or - the use of a peptide conjugate according to the invention as a dirt-repellent and/or dirt-removing active ingredient, preferably in a temperature range of
- At least one as used herein means one or more, i.e. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 or more.
- the information refers to the type of ingredient and not to the absolute number of molecules.
- At least one peptide thus means, for example, at least one type of peptide, i.e. that one type of peptide or a mixture of several different peptides can be meant.
- the information refers to all compounds of the specified type that are contained in a product, i.e. that the product typically does not contain any further compounds of this type beyond the specified amount of the corresponding compounds.
- washing and cleaning agent or “washing or cleaning agent”, as used herein, is synonymous with the term “agent” and refers to a composition for cleaning textiles and/or hard surfaces, in particular dishes, as explained in the description.
- Substantially free of means that the composition or agent contains less than 2% by weight, preferably less than 1% by weight, more preferably less than 0.5 Wt.% and particularly preferably less than 0.1 wt.% of the corresponding substance, based on the total weight of the composition/agent.
- “Liquid” as used herein includes liquids and gels as well as pasty compositions.
- liquid compositions are flowable and pourable at room temperature, but it is also possible that they have a yield point.
- a substance, e.g. a composition or agent is solid according to the definition of the invention if it is in the solid state at 25°C and 1,013 mbar.
- a substance, e.g. a composition or agent is liquid according to the definition of the invention if it is in the liquid state at 25°C and 1,013 mbar. Liquid also includes gelatin.
- N-terminus or “N-terminal” typically describes the end of the amino acid chain of a peptide which has a free amino group.
- C-terminus or “C-terminal” typically describes the end of the amino acid chain of a peptide that has a free carboxyl group.
- expression “in N- to C-terminal orientation” refers to an amino acid sequence in which the order of the amino acids is described from the N-terminus to the C-terminus. When reference is made herein to various interconnected or individual amino acid sequences, these are always shown in N- to C-terminal orientation unless otherwise stated. Furthermore, the individual amino acids or amino acid sequences are connected to one another via peptide bonds unless otherwise stated.
- the hyphen in the peptide-linker-peptide representation means, for example, that these corresponding three sequences are fused to one another via peptide bonds.
- adhesive or “adhesive” is understood to mean an interaction between a peptide and/or peptide conjugate and a surface, whereby the peptide and/or peptide conjugate can adhere to the surface.
- adhere-promoting refers to the ability to interact with different surfaces, e.g. textile surfaces, and/or to adhere to a specific surface under suitable conditions, i.e.
- the term "textile-binding" means the ability of a molecule, in particular peptide, to adhere to textile surfaces, where the binding affinity is greater than that of a reference molecule, while the term “textile-non-binding” means that this ability to adhere to textile surfaces is not present.
- the textile binding peptides described herein preferably have a 10-fold, more preferably a 20-fold, 50- fold or 100-fold higher adhesion to a given surface than any alternative peptide of comparable length that was not developed for this purpose and does not meet the sequence requirements described herein.
- binding in the context of this invention preferably refers to "covalent bonds" between the peptide and a surface.
- variant refers to variants of an enzyme or a protein/peptide that continue to have the functionality of the parent molecule but differ from the parent sequence by one or more sequence deviations, e.g. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or more sequence deviations, e.g. a substitution, deletion or insertion.
- sequence identity of such variants can be in the range of 80% based on the total length of the starting peptide, and can be at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 99.5%.
- the present invention is based on the surprising discovery of the inventors that certain peptides and/or peptide conjugates, when used in washing or cleaning agents, not only bring about improved cleaning performance on greasy and/or oily soiling, but also have a dirt-removing and/or dirt-repellent effect. They therefore represent a biodegradable alternative to SRP polymers.
- peptides with a hydrophobic end and a hydrophilic end where the hydrophobic part can bind to the textile and the hydrophilic part cannot.
- Particularly advantageous peptides can adhere to plastic surfaces, preferably LSEP (low surface energy polymers) surfaces and in particular textiles made of (LSEP) plastic or with a (LSEP) plastic content.
- LSEP low surface energy polymers
- These peptides and/or peptide conjugates are therefore particularly suitable for use in detergents and cleaning agents and can contribute to improved cleaning performance and/or give the textiles special properties.
- they could help to reduce or completely avoid synthetic and chemical substances, e.g. in detergents or cleaning agents, by representing a biodegradable alternative. They could also contribute to the stabilization of other ingredients.
- the washing or cleaning agent comprises at least one peptide selected from (A) a peptide comprising or consisting of an amino acid sequence of 4 to 50 amino acids, preferably 10 to 24 amino acids, more preferably 10 to 16 amino acids, particularly preferably 12 to 16 amino acids, wherein the amino acid sequence has the following sequence in N- to C-terminal orientation: (C)mX1X2X3(X4)nX5(C)o, where X 1 is a positively charged amino acid, preferably R or K, more preferably R, X 2 and X 3 are uncharged amino acids, preferably A, L, S, I, M or Q, more preferably A, S, I or L, particularly preferably A or L, each X4 is independently any amino acid, preferably with the exception of P, more preferably with the exception of P and G, X5 is any positively charged or uncharged amino acid, preferably R or an uncharged amino acid, more preferably Q, A or L, particularly preferably
- the peptide comprises or consists of an amino acid sequence of 4 to 50 amino acids in length, preferably of at least 8, 9, 10, 11 or 12 amino acids in length. Preferred lengths are up to 40, up to 35, up to 30, or up to 25 or up to 24 amino acids.
- the peptide can have a length of 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 or 24 amino acids, in particular 12 to 18 amino acids.
- the peptide is preferably a peptide comprising or consisting of an amino acid sequence with 4 to 50 amino acids, preferably 10 to 24 amino acids, more preferably 10 to 16 amino acids, particularly preferably 12 to 16 amino acids, e.g. 12, 13, 14, 15 or 16 amino acids.
- the peptide comprises or consists of an amino acid sequence which comprises at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, 99.5% or 100% sequence identity with one of the amino acid sequences mentioned in SEQ ID NO:1-27.
- a "peptide” in the context of the present invention is understood to mean a polymer composed of amino acids, preferably the 20 proteinogenic L-amino acids, preferably of linear structure, which has up to 100 amino acids which are linked to one another via peptide bonds.
- the peptides of the invention have a Amino acid sequence of 4 to 50 amino acids.
- the amino acids are specified in the context of this invention in a one-letter code, where, for example, C stands for cysteine, R for arginine, A for alanine and L for leucine.
- C in the above sequence (C) stands m X 1 X 2 X 3 (X 4 ) n X 5 (C) O for a cysteine residue.
- Peptides can be chemically synthesized in various embodiments and/or produced recombinantly by protein design. Short peptides can now be easily synthesized synthetically, e.g. via solid-phase synthesis. Longer peptides and polypeptides, on the other hand, are often also produced recombinantly in the host organism.
- Typical acidic or negatively charged amino acids are D and E.
- the positively charged or basic amino acids typically include R, K and H.
- Amino acids such as G, A, C, I, L, M, F, V, P, S, T, W, Y, N and Q are typically uncharged, i.e. neutral amino acids.
- any amino acid typically means one of the 20 naturally occurring proteinogenic amino acids, i.e., one of glycine (G), alanine (A), valine (V), leucine (L), isoleucine (I), phenylalanine (F), serine (S), threonine (T), proline (P), methionine (M), cysteine (C), histidine (H), lysine (K), arginine (R), glutamine (Q), asparagine (N), aspartic acid (D), glutamic acid (E), tyrosine (Y), and tryptophan (W).
- the amino acids are typically L-amino acids unless otherwise stated.
- the peptide may also consist of D-amino acids, although it may be preferred that D- and L-amino acids do not occur simultaneously within the peptides described herein.
- such an arbitrary amino acid includes all of the aforementioned amino acids with the exception of proline, or in some embodiments also with the exception of proline and glycine. These two amino acids are not preferred in certain embodiments because they have helix-breaking properties and can therefore adversely affect the secondary structure of the peptides.
- the peptide has a total charge of -2 to +12, preferably from 0 to +8, more preferably 0 to +4, particularly preferably 0 to +2.
- the total charge of the peptide is based on the number of positively and negatively charged amino acids in the peptide, in particular arginine (R), lysine (K), histidine (H), aspartic acid (D) and glutamic acid (E) and results from the sum of the negative and positive charges, with one positive and one negative charge canceling each other out.
- a peptide with 2 arginine residues and 1 glutamic acid residue would therefore have a total charge of +1.
- the total charge of the peptide is preferably -2 to +12, more preferably 0 to +8, particularly preferably 0 to +4, most preferably 0 to +2.
- the peptide according to the invention has: (i) a total charge of -2 to +12, preferably 0 to +8, more preferably 0 to +4, particularly preferably 0 to +2; and/or (ii) at the N-terminus, which comprises the first 3-4 amino acids, a positive net charge; and/or (iii) at the C-terminus, which comprises the last 3-6 amino acids, a negative or neutral net charge, preferably at least one negatively charged amino acid, in particular E; and/or (iv) no P and more preferably also no G and in particular also no Y. All of the aforementioned features, in particular (i)-(iv), can be implemented individually or in any combination.
- the feature that the peptide has a positive net charge at the "N-terminus, which comprises the first 3-4 amino acids" means that the N-terminal 3-4 amino acids comprise more positively charged than negatively charged amino acids. In various embodiments, this feature is fulfilled, for example, when the N-terminal 3-4 amino acids have 1 or 2 positively charged amino acids, i.e. H, K or R, preferably K or R, more preferably R, and no negatively charged amino acids such as E or D. If the N-terminus contains a negatively charged amino acid, the number of positively charged amino acids must be at least 2 so that the net charge remains positive.
- the peptide has a negative or neutral net charge at the "C-terminus, which comprises the last 3-6 amino acids" means that the number of charged amino acids must be 0 or the number of negatively charged amino acids, i.e. D and E, must be greater than the number of positively charged ones.
- An example of such a C-terminal sequence would be EAL or the double sequence of this motif.
- the sequence X is 1 X 2 X 3 RAL, RSI or RLA, preferably RAL or RLA, in particular RAL.
- the N-terminal sequence RAL or RLA not only advantageously has a positive net charge, it also comprises amino acids with a particularly high alpha-helix-forming potential, as explained below.
- the arginine residue can also be replaced by lysine, but the N-terminal arginine residue is particularly preferred. It is further preferred that (i) the sequence (X4)nX5 comprises at least one sequence X6X7X8, where X6 is a charged or uncharged amino acid, preferably R, K, E, L, A or Q, more preferably R, K, E or Q, and X 7 and X 8 are independently negatively charged or uncharged amino acids with the exception of P and G, preferably A, L, E, R, Q or M, e.g.
- A, L, E, Q or M more preferably A, E, Q or L, even more preferably A, E or L, particularly preferably A or L; and/or (ii) (X 4 ) n at least one aromatic amino acid, preferably W or F. If the sequence X 6 X 7 X 8 an X 6 which is R or K, the sequence X 6 X 7 X 8 preferably not at the C-terminus and preferably not within the 6 C-terminal amino acids.
- sequence (X4)nX5 may comprise one or more further sequences X6X7X8 that are C-terminal to the sequence that has a positively charged amino acid as X6 , whereby these further sequences preferably do not contain a positively charged amino acid as X 6 It is preferred that one of the sequences X 6 X 7 X 8 , which are close, i.e. within the 6 C-terminal amino acids, or at the C-terminus, have a negatively charged amino acid as X6, e.g. E.
- the peptide in some embodiments contains an aromatic amino acid selected from W and F, there is a positively or negatively charged amino acid next to it, in particular C-terminally, in particular there is no further aromatic amino acid next to the aromatic amino acid.
- the aromatic amino acids phenylalanine (F) and tryptophan (W) are preferably used in the peptide sequence according to the invention as helix formers and/or for pi-stacking.
- the aromatic amino acid tyrosine (Y) is not used in the peptide sequence in various embodiments because it has helix-breaking properties. In various embodiments, the peptide is therefore free of Y residues.
- pi-stacking refers to the non-covalent interaction between aromatic ring systems.
- (i) (X 4 ) n at least one sequence X 6 X 7 X 8 , where X 6 X 7 X 8 RAL or RLA, preferably RAL, and wherein this sequence is preferably located in the N-terminal amino acids of positions 4-7 or at least 6-7 amino acids from the C-terminus; and/or (ii) (X4)nX5 comprises at least one sequence X6X7X8, wherein X6X7X8 is EAL, LEA or ELA, preferably EAL, and wherein this sequence is preferably not located in the N-terminal amino acids of positions 1-6; and/or (iii) (X4)nX5 comprises at least one sequence X6X7X8, wherein X6X7X8 is EQA, QAL, LQA or QLA, preferably EQA, QAL or QLA, in particular QAL.
- (X 4 ) n X 5 at least one sequence X 6 X 7 X 8 , where X 6 X 7 X 8 QLA or EQA, wherein said sequence is preferably not located in the N-terminal amino acids of positions 1-6 or 1-11.
- (X4)nX5 comprises at least one sequence X6X7X8X9, wherein X6X7X8X9 is AQLA or SEQA, wherein said sequence is preferably not located in the N-terminal amino acids of positions 1-6 or 1-11.
- the peptide comprises the sequence X1X2X3, wherein X1X2X3 is RAL, and (X4)nX5 comprises at least one of QAL and EAL, preferably both.
- the peptide additionally comprises at least one further (second) sequence RAL.
- this can follow the first RAL sequence directly C-terminally or be separated from it by 1-3 amino acids, e.g. by 1, 2 or 3 amino acids.
- the peptide contains two RAL sequences and at least one EAL and QAL sequence each.
- Preferred sequences are: ⁇ RALRAL(X10)qQAL(X11)rEAL(X12)s, ⁇ RALRAL(X10)qEAL(X11)rQAL(X12)s, ⁇ RAL(X10)qRALQAL(X11)rEAL(X12)s, ⁇ RAL(X10)qRALEAL(X11)rQAL(X12)s, ⁇ RAL(X 10 ) q QALRAL(X 11 ) r EAL(X 12 ) s , ⁇ RAL(X 10 ) q EALRAL(X 11 ) r QAL(X 12 ) s , where X10 and X11 are independently any amino acid, preferably with the exception of P, more preferably with the exception of P and G, e.g.
- the peptide comprises amino acids with a high alpha-helix-forming potential, wherein these amino acids are selected from E, A, L, M, Q, K, R, F, I, H, W and D, more preferably from E, A, L, M, Q, K, R, F, I and H; particularly preferably from E, A, L, M, Q, K, R and F.
- the peptide consists of at least 60% and increasingly preferably at least 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94% or 95% of amino acids with a high alpha-helix-forming potential, wherein these amino acids are preferably selected from E, A, L, M, Q, K, R, F, I, H, W and D, more preferably from E, A, L, M, Q, K, R, F, I and H; particularly preferably from E, A, L, M, Q, K, R and F.
- the peptide according to the invention particularly preferably forms a helical secondary structure, in particular an alpha-helix structure, preferably with an alpha-helix content of at least 80% and increasingly preferably of at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94% or 95%, in particular higher than 95%.
- the use of the motif AL or LA in the amino acid sequence of the peptide according to the invention can contribute to the stability of the helix structure because these amino acids have a high alpha-helix-forming potential.
- the peptide has an amino acid sequence according to one of SEQ ID NO:1-15, or variants thereof, which have at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% and less than 100% sequence identity to the indicated sequence, wherein preferably the motif RAL, and more preferably also the motif EAL and/or QAL, if present, are invariable. If the motifs RAL, EAL and QAL are present in the peptide, they are preferably invariable in all of the aforementioned variants.
- the peptide can have a high proportion of hydrophobic amino acids selected from A, L, F, W, V, M, I and P, in particular A, L, F, W, V, M and I.
- the peptide has an amino acid sequence that is 10 to 24 amino acids long, e.g. 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 or 24 amino acids, in particular 12 to 19 amino acids, e.g. 12 to 18 amino acids.
- the peptide has the amino acid cysteine (C) at the C-terminus. In other embodiments, the peptide has the amino acid cysteine at the N-terminus.
- This amino acid can enable coupling to other molecules, structures or substrates via the free sulfhydryl group. This amino acid therefore serves as a linking point but is typically not involved in the desired adhesive effect.
- the peptide may also have no C at either the N-terminus or the C-terminus.
- the peptide comprises or consists of an amino acid sequence which has at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity with any of the following amino acid sequences: ⁇ RALQALRALQALEAL (SEQ ID NO:1), ⁇ RALRALRALEALEAL (SEQ ID NO:2), ⁇ RALRALRALQALQAL (SEQ ID NO:3), ⁇ RALRALRALQALEAL (SEQ ID NO:4), ⁇ RALRALQALEALEAL (SEQ ID NO:5), ⁇ RALFEALQALFRALEAL (SEQ ID NO:6), ⁇ RALRALEALQALEA (SEQ ID NO:7), ⁇ RALFEALFRALEALR (SEQ ID NO:8), ⁇ RALFEALFRALEAL (SEQ ID NO: (SEQ
- Variants of the peptides according to the invention the amino acid sequence of which is at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92% , 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity with one of the amino acid sequences corresponding to the sequences in SEQ ID NO:1-27, preferably differing in a maximum of 3 positions , more preferably in a maximum of 2 positions, particularly preferably in a maximum of 1 position of one of the amino acid sequences corresponding to the sequences in SEQ ID NO:1-27.
- the peptide according to the invention particularly preferably has a sequence which is shown in SEQ ID NO:1-27.
- the peptide has a sequence according to SEQ ID NO:25 or SEQ ID NO:1 or SEQ ID NO:5, or is a variant thereof, wherein a variant has an amino acid sequence which is at least 80% and increasingly preferably at least 81 %, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity with one of the amino acid sequences.
- Particularly preferred peptides according to the invention are textile-binding peptides, i.e. peptides that have the ability to adhere to textile surfaces under suitable conditions, i.e.
- Preferred peptides which have good adhesion, particularly to plastic, preferably polyester, have an amino acid sequence which is at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity to one of the sequences shown in SEQ ID NO:1-27 given amino acid sequences.
- Particularly preferred peptides which in particular have good adhesion to plastic, preferably polyester, have an amino acid sequence which has at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity to one of the amino acid sequences given in SEQ ID NO:1, 5 or 25.
- Very particularly preferred peptides, which in particular have good adhesion to plastic, preferably polyester have an amino acid sequence which is identical to one of the amino acid sequences given in SEQ ID NO:1-27.
- Preferred peptides which are textile-binding within the meaning of the invention and have good adhesion to plastic-containing textiles, preferably polyester-containing textiles have an amino acid sequence which has at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity to one of the amino acid sequences given in SEQ ID NO:1-27.
- Peptides which have good adhesion to plastic-containing, preferably polyester-containing, textiles have an amino acid sequence which has at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity to one of the amino acid sequences given in SEQ ID NO:1, 5 or 25.
- Very particularly preferred peptides which are textile-binding within the meaning of the invention and have good adhesion to plastic-containing, preferably polyester-containing, textiles have an amino acid sequence which is identical to one of the amino acid sequences given in SEQ ID NO:1-27.
- Preferred peptides which are textile-binding within the meaning of the invention and have good adhesion to plastic-containing mixed fabrics preferably polyester-containing mixed fabrics, in particular polyester/cotton mixed fabrics
- Particularly preferred peptides which are textile-binding within the meaning of the invention and have good adhesion to plastic-containing mixed fabrics preferably polyester-containing mixed fabrics, in particular polyester/cotton mixed fabrics.
- plastic-containing mixed fabrics preferably polyester-containing mixed fabrics, in particular polyester/cotton mixed fabrics, have good adhesion, have an amino acid sequence which has at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity to one of the amino acid sequences given in SEQ ID NO: 1, 5 or 25.
- Very particularly preferred peptides which are textile-binding within the meaning of the invention and compared to.
- plastic-containing mixed fabrics preferably polyester-containing mixed fabrics, in particular polyester/cotton mixed fabrics
- have good adhesion have an amino acid sequence that is identical to one of the amino acid sequences given in SEQ ID NO:1-27.
- Procedures for determining adhesion are known to those skilled in the art and all suitable methods can be used.
- a common method for determining adhesion is based on a direct measurement method using ⁇ BCA. For this purpose, cloth patches are mixed with a peptide solution to be tested (0.02 mg/ml in distilled water), incubated for 1 h at RT while shaking (750 rpm) and washed (3x with 0.5 ml distilled water, shaking at 750 rpm for 5 min).
- a peptide is a textile-binding peptide within the meaning of the invention if the ability of the peptide to adhere to textile surfaces is demonstrated in one of the methods mentioned, the binding affinity being greater than that of a reference molecule and the textile-binding peptides described herein preferably have 10-fold, more preferably 20-fold, 50-fold or 100-fold higher adhesion to a given surface than any alternative peptide of comparable length which was not developed for this purpose and does not meet the sequence specifications described herein.
- a peptide is a textile-binding peptide within the meaning of the invention in particular if the ability of the peptide to adhere to textile surfaces is demonstrated in a method according to Example 2, the binding affinity being greater than that of a reference molecule.
- a peptide is, in the sense of the invention, a textile-binding peptide in particular if the ability of the peptide to adhere to textile surfaces is demonstrated in a previously described BCA method, with the AP value being greater than 61% and preferably greater than 80%.
- Textile-non-binding peptide Alternatively or additionally, the washing or cleaning agent according to the invention comprises at least one peptide conjugate, whereby the peptide conjugate can contain a textile-non-binding peptide.
- the textile-non-binding peptide is a peptide which has an amino acid sequence according to SEQ ID NO:28, or is a variant thereof, whereby the variant has an amino acid sequence which is at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or 100% sequence identity with the amino acid sequence in SEQ ID NO:28.
- the textile-non-binding peptide most preferably has the following amino acid sequence: ⁇ NGLLIPQFLVAS (SEQ ID NO:28).
- a peptide is a textile-non-binding peptide within the meaning of the invention if the ability of the peptide to adhere to textile surfaces is not demonstrated in one of the methods mentioned, the binding affinity being lower than or equal to that of a reference molecule.
- a peptide is, in the sense of the invention, a textile-nonbinding peptide in particular if the ability of the peptide to adhere to textile surfaces is not demonstrated in a method according to Example 2, the binding affinity being lower than or equal to that of a reference molecule.
- a peptide is, in the sense of the invention, a textile-nonbinding peptide in particular if the ability of the peptide to adhere to textile surfaces is not demonstrated in a previously described BCA method, the AP value being less than 20%.
- the peptides contained in the peptide conjugate according to the invention are as defined hereinbefore, namely textile-binding peptides and/or textile-non-binding peptides.
- the textile-binding peptide contained in a peptide conjugate according to the invention is as defined above in the section "Textile-binding peptide”.
- the textile-non-binding peptide contained in a peptide conjugate according to the invention is as defined above in the section "Textile-non-binding peptide”.
- the peptide conjugate contains at least one textile-binding peptide as defined herein and at least one textile-non-binding peptide as defined herein.
- the peptide conjugate contains at least one textile-binding peptide, as defined herein, and at least two textile-non-binding peptides, as defined herein. Particularly preferably, the peptide conjugate contains one textile-binding peptide and two textile-non-binding peptides. In various embodiments, if more than one textile-binding peptide is present in the peptide conjugate, these can be the same or different. In preferred embodiments, they are the same. In various embodiments, if more than one textile-non-binding peptide is present in the peptide conjugate, these can be the same or different. In preferred embodiments, they are the same.
- the peptide conjugate is N- and/or C-terminally modified, in particular pegylated. In preferred embodiments, the peptide conjugate is N-terminally modified, in particular pegylated. In preferred embodiments, the peptide conjugate is C-terminally modified, in particular pegylated. In particularly preferred embodiments, the peptide conjugate is modified at the N- and C-terminus, in particular pegylated.
- Pegylation is a process in which Polyethylene glycol (PEG) chains can be attached to proteins, which can improve their stability, solubility and therapeutic properties. While many PEGylation processes involve the use of reactive cysteine residues on proteins, it is indeed possible to PEGylate proteins without cysteine residues.
- PEG polyethylene glycol
- N-terminal pegylation is achieved, for example, using polyethylene glycol-N-hydroxysuccinimide (PEG-NHS).
- C-terminal pegylation is achieved, for example, by Michael addition of polyethylene glycol maleimide to the thiol group of a terminal cysteine.
- C-terminal pegylation can also be achieved by adding polyethylene glycol maleimide to the OH group of any terminal amino acid.
- the PEG group at the C- and/or N-terminus comprises about 5 to about 100 ethylene glycol units, preferably about 20 to about 85 ethylene glycol units, preferably about 30 to about 75 ethylene glycol units, more preferably about 40 to about 60 ethylene glycol units, most preferably about 45 ethylene glycol units.
- the PEG group at the C- and/or N-terminus comprises a molecular weight of about 220 g/mol to about 4400 g/mol, preferably about 880 g/mol to about 3740 g/mol, preferably about 1320 g/mol to about 3300 g/mol, more preferably about 1760 g/mol to about 2640 g/mol, most preferably about 2000 g/mol.
- the PEG group at the C-terminus comprises about 5 to about 100 ethylene glycol units, preferably about 20 to about 85 ethylene glycol units, preferably about 30 to about 75 ethylene glycol units, more preferably about 40 to about 60 ethylene glycol units, most preferably about 45 ethylene glycol units.
- the PEG group at the C-terminus comprises a molecular weight of about 220 g/mol to about 4400 g/mol, preferably about 880 g/mol to about 3740 g/mol, preferably about 1320 g/mol to about 3300 g/mol, more preferably about 1760 g/mol to about 2640 g/mol, most preferably about 2000 g/mol.
- the PEG group at the N-terminus comprises about 5 to about 100 ethylene glycol units, preferably about 20 to about 85 ethylene glycol units, preferably about 30 to about 75 ethylene glycol units, more preferably about 40 to about 60 ethylene glycol units, most preferably about 45 ethylene glycol units.
- the PEG group at the N-terminus comprises a molecular weight of about 220 g/mol to about 4400 g/mol, preferably about 880 g/mol to about 3740 g/mol, preferably about 1320 g/mol to about 3300 g/mol, more preferably about 1760 g/mol to about 2640 g/mol, most preferably about 2000 g/mol.
- the PEG group at the C- and N-terminus comprises about 5 to about 100 ethylene glycol units, preferably about 20 to about 85 ethylene glycol units, preferably about 30 to about 75 ethylene glycol units, more preferably about 40 to about 60 ethylene glycol units, most preferably about 45 ethylene glycol units.
- the PEG group at the C and N terminus has a molecular weight of about 220 g/mol to about 4400 g/mol, preferably about 880 g/mol to about 3740 g/mol, preferably about 1320 g/mol to about 3300 g/mol, particularly preferably about 1760 g/mol to about 2640 g/mol, very particularly preferably about 2000 g/mol.
- the PEG group and/or the at least one, preferably at least two, textile-non-binding peptide(s) is directly covalently linked to the at least one textile-binding peptide, i.e. the first and/or last amino acid of the respective peptides are linked to one another via a peptide bond.
- the bond can also be made via a linker, in particular a peptide linker.
- Such a bond via a peptide linker is preferred.
- Suitable linkers are known in the art and can be static/rigid or flexible. This property is determined by the secondary structure of the linker; for example, rigid linkers can have an alpha helix as a secondary structure.
- the peptide linker sequence is flexible and has no secondary structure or only short secondary structure elements.
- Linkers suitable in the context of the present invention are described below.
- Linkers suitable in the context of the present invention which are preferably peptide linkers, can be divided into flexible linkers and rigid linkers. Such linkers are generally known in the art (Chen et al. (2013) Fusion protein linkers: Property, design and functionality, Advanced Drug Delivery Reviews, 65 (10): 1357-1369).
- the linker represents the covalent bond of the peptides to be linked or of the peptides with the PEG group, and the corresponding peptide conjugate has the following structure in N- to C-terminal orientation: (i) Z1Z3Z4Z5Z7, (ii) Z2Z3Z4Z5Z6, (iii) Z 1 Z 3 Z 4 Z 5 Z 6 , (iv) Z 2 Z 3 Z 4 Z 5 Z 7 , (v) Z1Z3Z4, (vi) Z2Z3Z4, (vii) Z4Z5Z7, or (viii) Z 4 Z 5 Z 6 , where Z4 is a peptide, preferably a textile-binding peptide, selected from (A) a peptide with the following amino acid sequence: (C) m X 1 X 2 X 3 (X 4 ) n X 5 (C) O , where C is the amino acid cysteine, where m
- the linker is a peptide linker, as is preferred, then the first or last amino acid of the peptide is linked via a peptide bond to the first or last amino acid of the peptide linker.
- the peptide conjugate comprises a peptide linker and a PEG group, then the pegylation is carried out as described herein. N-terminal pegylation is achieved, for example, using polyethylene glycol-N-hydroxysuccinimide (PEG-NHS). C-terminal pegylation is achieved, for example, by Michael addition of polyethylene glycol maleimide to the thiol group of a terminal cysteine.
- C-terminal pegylation can also be achieved by adding polyethylene glycol maleimide to the OH group of any terminal amino acid.
- peptide linkers typically have a length of 1 to 200 amino acids, e.g. 1 to 100 amino acids, preferably 2 to 30 amino acids, more preferably 5 to 25 amino acids.
- functional homologues of the aforementioned linker sequences are also suitable.
- “Functional homologues” as used in this context refers to sequences which are at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 90.5%, 91%, 91.5%, 92%, 92.5%, 93%, 93.5%, 94%, 94.5%, 95%, 95.5%, 96%, 96.5%, 97%, 97.5%, 98%, 98.5%, 98.8%, 99.0%, 99.2%, 99.4% or 99.6% identical to the specified reference sequence and exhibit its functionality, i.e.
- Linkers preferred according to the invention have one of the following amino acid sequences: ⁇ GGGGS (SEQ ID NO:29), ⁇ GGGGSGGGGS (SEQ ID NO:30), ⁇ GGGGSGGGGSGGGGS (SEQ ID NO:31), ⁇ GGGGSGGGGSGGGGSGGGGS (SEQ ID NO:32), ⁇ GGGGGGGGG (SEQ ID NO:33), ⁇ GGGGGGG (SEQ ID NO:34), ⁇ EAAAK (SEQ ID NO:35), ⁇ EAAAKEAAAK (SEQ ID NO:36), ⁇ EAAAKEAAAKEAAAK (SEQ ID NO:37), ⁇ AEAAAKEAAAKEAAAKEAAAKALEAEAAAKEAAAKEAAAKEAAAKA (SEQ ID NO:38), ⁇ PAPAP (SEQ ID NO:39) or ⁇ AEAAAKEAAAKA (SEQ ID NO:39) or ⁇ AEAAAKEAAAKA (SEQ ID NO:39) or ⁇ AEAAAKEAAAKA (SEQ ID NO
- the linker having the following amino acid sequence: ⁇ GGGGSGGGGSGGGGS (SEQ ID NO:31) or ⁇ EAAAKEAAAKEAAAK (SEQ ID NO:37).
- the peptide conjugate has the following structure in N- to C-terminal orientation: (i) Z 1 Z 3 Z 4 Z 5 Z 7 , (ii) Z 2 Z 3 Z 4 Z 5 Z 6 , (iii) Z1Z3Z4Z5Z6, (iv) Z2Z3Z4Z5Z7, (v) Z 1 Z 3 Z 4 , (vi) Z 2 Z 3 Z 4 , (vii) Z4Z5Z7, or (viii) Z4Z5Z6, where Z 4 a peptide, preferably a textile-binding peptide, which is selected from (A) a peptide having the following amino acid sequence: (C)mX1X2X3(X4)nX5(C)o, where C is the amino acid cysteine, where m+o
- the peptide conjugate has the following structure in N- to C-terminal orientation: (i) PEG - linker (I) - textile-binding peptide - linker (I) - PEG, (ii) textile-nonbinding peptide - linker (I) - textile-binding peptide - linker (I) - textile-nonbinding peptide, (iii) PEG - linker (I) - textile-binding peptide - linker (I) - textile-nonbinding peptide, (iv) textile-nonbinding peptide - linker (I) - textile-binding peptide - linker (I) - PEG chain, (v) PEG - linker (I) - textile-binding peptide, (vi) textile-nonbinding peptide - linker (I) - textile-binding peptide, (vii) textile-binding peptide - linker
- the linker is selected from: ⁇ GGGGS (SEQ ID NO:29), ⁇ GGGGSGGGGS (SEQ ID NO:30), ⁇ GGGGSGGGGSGGGGS (SEQ ID NO:31), ⁇ GGGGSGGGGSGGGGSGGGGS (SEQ ID NO:32), ⁇ GGGGGGGG (SEQ ID NO:33), ⁇ GGGGGG (SEQ ID NO:34), ⁇ EAAAK (SEQ ID NO:35), ⁇ EAAAKEAAAK (SEQ ID NO:36), ⁇ EAAAKEAAAKEAAAK (SEQ ID NO:37), ⁇ AEAAAKEAAAKEAAAKEAAAKALEAEAAAKEAAAKEAAAKEAAAKA (SEQ ID NO:38), ⁇ PAPAP (SEQ ID NO:39) and ⁇ AEAAAKEAAAKA (SEQ ID NO:40); and/or the textile non-binding selected from: ⁇ NGLLIPQFLVAS (SEQ ID NO:28); and/or the textile binding peptide
- the linker is selected from: ⁇ GGGGS (SEQ ID NO:29), ⁇ GGGGSGGGGSGGGGS (SEQ ID NO:31), and ⁇ EAAAKEAAAKEAAAK (SEQ ID NO:37); and the textile non-binding peptide is selected from: ⁇ NGLLIPQFLVAS (SEQ ID NO:28); and the textile binding peptide selected from: ⁇ RALQALRALQALEAL (SEQ ID NO:1), ⁇ RALRALRALEALEAL (SEQ ID NO:2), ⁇ RALRALRALQALQAL (SEQ ID NO:3), ⁇ RALRALRALQALEAL (SEQ ID NO:4), ⁇ RALRALQALEALEAL (SEQ ID NO:5), ⁇ RALFEALQALFRALEAL (SEQ ID NO:6), ⁇ RALRALEALQALEA (SEQ ID NO:7), ⁇ RALFEALFRALEALR (SEQ ID NO:8), ⁇ RALFEALFRALEALAL
- the linker is selected from: ⁇ GGGGS (SEQ ID NO:29); and the textile non-binding peptide is selected from: ⁇ NGLLIPQFLVAS (SEQ ID NO:28); and the textile binding peptide is selected from: ⁇ RALQALRALQALEAL (SEQ ID NO:1), ⁇ RALRALQALEALEAL (SEQ ID NO:5), and ⁇ RSIVTFSLRQNR (SEQ ID NO:25).
- the linker is selected from: ⁇ GGGGS (SEQ ID NO:29); and the textile non-binding peptide is selected from: ⁇ NGLLIPQFLVAS (SEQ ID NO:28); and the textile binding peptide is selected from: ⁇ RALQALRALQALEAL (SEQ ID NO:1).
- the linker is selected from: ⁇ GGGGS (SEQ ID NO:29); and the textile non-binding peptide is selected from: ⁇ NGLLIPQFLVAS (SEQ ID NO:28); and the textile binding peptide is selected from: ⁇ RALRALQALEALEAL (SEQ ID NO:5).
- the linker is selected from: ⁇ GGGGS (SEQ ID NO:29); and the textile non-binding peptide is selected from: ⁇ NGLLIPQFLVAS (SEQ ID NO:28); and the textile binding peptide is selected from: ⁇ RSIVTFSLRQNR (SEQ ID NO:25).
- Most preferred peptide conjugates include: ⁇ (PEG)-GGGGS-RSIVTFSLRQNR-GGGGS-(PEG) (SEQ ID NO:41), ⁇ (PEG)-GGGGS-RALQALRALQALEAL-GGGGS-(PEG) (SEQ ID NO:42), ⁇ (PEG)-GGGGS-RALRALQALEALEAL-GGGGS-(PEG) (SEQ ID NO:43), ⁇ NGLLIPQFLVAS-GGGGS-RSIVTFSLRQNR-GGGGS-NGLLIPQFLVAS (SEQ ID NO:44), ⁇ NGLLIPQFLVAS-GGGGS-RALQALRALQALEAL-GGGGS-NGLLIPQFLVAS (SEQ ID NO:45), and ⁇ NGLLIPQFLVAS-GGGGS-RALRALQALEALEAL-GGGGS-NGLLIPQFLVAS (SEQ ID NO:46).
- sequence comparison is based on the BLAST algorithm, which is established in the state of the art and is commonly used (see, for example, Altschul et al. (1990) Basic local alignment search tool, J. Mol. Biol., 215:403-410, and Altschul et al. (1997) Gapped BLAST and PSI-BLAST: a new generation of protein database search programs, Nucleic Acids Res., 25:3389-3402) and is carried out in principle by assigning similar sequences of nucleotides or amino acids in the nucleic acid or amino acid sequences to one another. A tabular assignment of the relevant positions is called an alignment.
- Sequence comparisons are created using computer programs. Commonly used programs include the Clustal series (see e.g. Chenna et al. (2003) Multiple sequence alignment with the Clustal series of programs, Nucleic Acid Res., 31:3497-3500), T-Coffee (see e.g. Notredame et al. (2000) T-Coffee: A novel method for multiple sequence alignments, J. Mol. Biol., 302:205-217) or programs based on these programs or algorithms.
- Sequence comparisons can also be carried out using the computer program Vector NTI® Suite 10.3 (Invitrogen Corporation, 1600 Faraday Avenue, Carlsbad, California, USA) with the specified standard parameters, whose AlignX module for sequence comparisons is based on ClustalW, or Clone Manager 10 (use of the BLOSUM 62 scoring matrix for sequence alignment at the amino acid level).
- the sequence identity given here is determined using the BLAST algorithm.
- Such a comparison also allows a statement to be made about the similarity of the sequences being compared to one another. It is usually given in percent identity, i.e. the proportion of identical nucleotides or amino acid residues at the same positions or positions that correspond to one another in an alignment.
- homology includes conserved amino acid substitutions in amino acid sequences, i.e. amino acids with similar chemical activity, since these usually perform similar chemical activities within the protein. Therefore, the similarity of the sequences being compared can also be given as percent homology or percent similarity. Identity and/or homology statements can be made for entire polypeptides or genes or just for individual regions. Homologous or identical regions of different nucleic acid or amino acid sequences are therefore defined by similarities in the sequences. Such regions often have identical functions. They can be small and contain only a few nucleotides or amino acids. Such small regions often perform essential functions for the overall activity of the protein. It may therefore be useful to relate sequence matches only to individual, possibly small areas.
- identity or homology information in the present application refers to the total length of the nucleic acid or amino acid sequence specified in each case.
- the peptide or protein concentration can be determined using known methods, e.g. the BCA method (bicinchoninic acid; 2,2'-biquinolyl-4,4'-dicarboxylic acid) or the biuret method (Gornall et al., J. Biol. Chem., 1948, 177:751-766).
- BCA method bicinchoninic acid; 2,2'-biquinolyl-4,4'-dicarboxylic acid
- the biuret method Ganall et al., J. Biol. Chem., 1948, 177:751-766.
- the person skilled in the art of peptide and protein technology knows a large number of suitable methods for determining the peptide or protein concentration that can be used in the context of this invention.
- Peptides according to the invention can have amino acid changes, in particular amino acid substitutions, insertions or deletions.
- Such peptides are further developed, for example, through targeted genetic modification, i.e. through mutagenesis processes, and optimized for specific applications or with regard to special properties (e.g. with regard to their stability, binding, etc.).
- targeted mutations such as substitutions, insertions or deletions can be introduced into the known molecules in order to change certain properties, for example.
- the surface charges and/or the isoelectric point of the molecules and thus their interactions with a surface can be changed.
- the net charge of the peptides can be changed in order to influence substrate binding.
- one or more corresponding mutations can be used to increase the stability or adsorption of the peptide, for example.
- Advantageous properties of individual mutations, e.g. individual substitutions, can complement each other.
- the invention also encompasses peptides which are characterized in that they are obtainable from a peptide as described above as a starting molecule, e.g. from a molecule with one of the amino acid sequences according to SEQ ID NO:1-46, on which e.g.
- amino acid substitutions including single or multiple conservative amino acid substitutions, have been carried out, wherein the resulting peptide has at least 80% and increasingly preferably at least 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% and less than 100% sequence identity with one of the amino acid sequences according to SEQ ID NO:1-28.
- conservative amino acid substitution means the exchange (substitution) of an amino acid residue for another amino acid residue, whereby this exchange does not lead to a change in the polarity or charge at the position of the exchanged amino acid, e.g.
- the exchange of a non-polar amino acid residue for another non-polar amino acid residue is preferred.
- it may be preferred that such exchanges do not have glycine or tyrosine as the target amino acid or, for example, no amino acid that has a low alpha-helix-forming potential.
- the peptide according to the invention can also be modified. Preferred modifications can be, for example, coupling the peptide with certain other molecules or chemical groups, e.g.
- the peptide according to the invention can also be at least one subunit (module) of a larger peptide or polypeptide, wherein the polypeptide can comprise a multimer of the sequences described herein, e.g. 1 to 30 repetitions, more preferably 2 to 15 repetitions, particularly preferably 2 to 10 repetitions, e.g. 2, 3, 4, 5 or 6 repetitions of the peptide.
- the polypeptide can comprise or consist of such multimers.
- polypeptide in this context refers in particular to peptides that comprise 100 or more amino acids.
- larger peptides preferably refers to peptides with at least 40 amino acids, unless otherwise described.
- the peptide is a peptide or polypeptide (multimer) comprising two or more of the peptides as described herein.
- the two or more peptides can be linked to one another by at least one spacer, preferably the at least one spacer comprises or consists of 1 to 10 amino acid residues, in particular 2, 3 or 4 amino acid residues, preferably selected from the group consisting of G, P, I, A and S or combinations thereof, in particular GPI or GAS.
- the individual peptides are optionally linked to one another linearly via peptide bonds, optionally also via a spacer.
- the peptides described herein can in various embodiments have been chemically synthesized and/or produced recombinantly by means of protein design. Short peptides can now be easily synthesized, e.g. via solid-phase synthesis such as the solid-phase synthesis according to Merrifield. Longer peptides and polypeptides, on the other hand, are often also produced recombinantly in the host organism, e.g. in bacteria or yeast. It is preferred to produce the peptides and/or peptide conjugates according to the invention using recombinant methods.
- the peptides and/or peptide conjugates according to the invention are particularly preferably produced as polypeptides (multimers) and subsequently cleaved into the functional peptides and/or peptide conjugates.
- Very particularly preferred multimers have 1 to 30 peptide units (each according to the invention), each of which is separated from one another by spacers of 1 to 10 amino acids in length (e.g. 1, 2, 3 or 4 amino acids).
- the spacers can also be or comprise interfaces for specific proteases/peptidases, in particular endopeptidases, or form such an interface together with parts of the peptide.
- a person skilled in the art is able to use methods generally known today, such as chemical synthesis or the polymerase chain reaction (PCR) in conjunction with molecular biological and/or protein chemical standard methods to produce the corresponding nucleic acids up to complete genes based on known DNA and/or amino acid sequences. Such methods are known, for example, from Sambrook, J., Fritsch, E.F. and Maniatis, T.2001. Molecular cloning: a laboratory manual, 3rd Edition Cold Spring Laboratory Press.
- the peptide and/or peptide conjugate described herein is produced using biotechnological methods, as described above.
- Detergents or cleaning agents The at least one peptide and/or peptide conjugate according to the invention is preferably suitable for adhesion and/or binding to textiles, as described herein. It is particularly preferred that the peptide and/or peptide conjugate according to the invention, particularly when used in washing or cleaning agents according to the invention, achieves a dirt-repellent and/or dirt-removing effect, particularly through binding and/or adhesion to textiles, preferably polyester-containing textiles, particularly preferably polyester/cotton blends.
- the washing or cleaning agent is thus preferably used as a detergent in a washing process, particularly in machine washing or hand washing.
- the peptide and/or peptide conjugate described herein is used in the washing or cleaning agent according to the invention, without being limited thereto, in a concentration of 0.00001 to 5% by weight, e.g. in a concentration of 0.0001 to 2% by weight or 0.001 to 1% by weight.
- the washing or cleaning agent is a textile detergent.
- the washing or cleaning agent according to the invention is particularly suitable for use on textiles made of plastic and/or with a plastic content (mixed fabric) and/or made of a natural fiber such as cotton.
- the textile preferably comprises or consists of polyester (PES), polyethylene (PE), polypropylene (PP), polyurethane (PU), polystyrene (PS), polyvinyl chloride (PVC), polycarbonate (PC), polyamide (PA), polyphenylene ether, polyphenylene sulfide, polyoxymethylene (POM), polymethyl methacrylate (PMA), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polytetrafluoroethylene (PTFE), polyhydroxyalkanoate (PHA), polyhydroxybutyrate (PHB), polyimide (PI), polylactide (PLA), polyvinylidene fluoride (PVDF), polyether ketone (PEK), and/or copolymers or a blended fabric thereof, even more preferably polyester (PES), polyethylene (PE), polypropylene (PP), polystyrene (PS), copolymers or blended fabrics thereof, preferably a cotton/polyester blend with
- a textile with a plastic content or a plastic mixture or mixed fabric has a plastic content of at least 10%, more preferably at least 20%, even more preferably at least 30%, even more preferably at least 40%, even more preferably at least 50%, even more preferably at least 60%, e.g. 65%.
- washing or cleaning agents according to the invention depend on the respective intended use and the trained specialist is generally familiar with suitable dosages of these components and can find them in the relevant specialist literature.
- the washing and cleaning agents according to the invention include all conceivable types of washing or cleaning agents, both concentrates and agents to be used undiluted, for use on a commercial scale, in the washing machine or for hand washing or cleaning. These include, for example, detergents for textiles, carpets, or natural fibers, for which the term detergent is used.
- washing and cleaning agents within the scope of the invention also include washing aids that are added to the actual washing agent during manual or machine laundry in order to achieve an additional effect.
- washing and cleaning agents within the scope of the invention also include textile pre- and post-treatment agents, i.e. agents with which the item of laundry is brought into contact before the actual laundry, e.g.
- washing or cleaning agents which can be in the form of powdered or granular solids, in compacted or re-compacted particle form, as homogeneous solutions or suspensions, can contain all known ingredients that are usually found in such agents.
- the agents according to the invention can contain in particular surfactants, builders, complexing agents, polymers, glass corrosion inhibitors, corrosion inhibitors, bleaching agents such as peroxygen compounds, bleach activators or bleach catalysts, water-miscible organic solvents, enzyme stabilizers, sequestering agents, electrolytes, pH regulators and/or other auxiliary substances such as optical brighteners, graying inhibitors, color transfer inhibitors, foam regulators and dyes and fragrances.
- Advantageous ingredients of agents according to the invention are disclosed in the international patent application WO 2009/121725, starting therein on Page 5, penultimate paragraph, and ending on page 13 after the second paragraph. This disclosure is expressly referred to and the disclosure content therein is included in the present patent application.
- inventions include all solid, powdery, liquid, gel-like or pasty dosage forms of agents according to the invention, which may optionally also consist of several phases and may be in compressed or non-compressed form.
- the agent can be in the form of a free-flowing powder, in particular with a bulk density of 300 g/l to 1200 g/l, in particular 500 g/l to 900 g/l or 600 g/l to 850 g/l.
- the solid dosage forms of the agent also include extrudates, granules, tablets or pouches.
- the agent can also be liquid, gel-like or pasty, e.g.
- Liquid agents are generally preferred.
- the agent can be present as a one-component system. Such agents consist of one phase. Alternatively, an agent can also consist of several phases. Such an agent is therefore divided into several components.
- the agent according to the invention is a textile detergent.
- the agent according to the invention is a liquid textile detergent.
- the agent according to the invention is a solid textile detergent. Multi-phase formulations are not preferred in the context of this invention, but are not excluded.
- the viscosity of the liquid washing or cleaning agents at 20°C is preferably 5 to 100,000 mPa ⁇ s, more preferably 10 to 5000 mPa ⁇ s, even more preferably 10 to 200 mPa ⁇ s, measured with a Brookfield rotational viscometer of the LVT or LVDV-II+ type with small sample adapter at a speed of 30 min -1 , the spindle used as the measuring body according to Brookfield being selected so that the torque is in a favorable range and the measuring range is not exceeded.
- spindle 31 is preferred and - if necessary for viscosities above about 240 mPa ⁇ s - spindle 25 is preferably used.
- the agent according to the invention is a pre-portioned textile detergent, in particular a detergent portion unit comprising a detergent preparation according to the invention and a water-soluble film which completely encloses the detergent preparation.
- the water-soluble film in which the detergent preparation is packaged can comprise one or more structurally different water-soluble polymer(s).
- Polymers from the group of (optionally acetalized) polyvinyl alcohols (PVAL) and their copolymers are particularly suitable as water-soluble polymer(s).
- Water-soluble films are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose molecular weight is in the range from 10,000 to 1,000,000 g/mol, preferably from 20,000 to 500,000 g/mol, particularly preferably from 30,000 to 100,000 g/mol and in particular from 40,000 to 80,000 g/mol.
- Suitable water-soluble films for use are manufactured by MonoSol LLC, for example under the name M8630, M8720, M8310, C8400 or M8900.
- the agents according to the invention are in liquid form, they preferably contain more than 40% by weight, preferably 50 to 90% by weight and particularly preferably 60 to 80% by weight of water based on their total weight.
- the agents according to the invention can contain one or more surfactants, with anionic surfactants, nonionic surfactants and mixtures thereof being particularly suitable, but cationic, zwitterionic and/or amphoteric surfactants can also be included.
- the agents preferably contain 5 to 70% by weight, preferably 35 to 60% by weight and more preferably 40 to 55% by weight of surfactant.
- Suitable anionic surfactants are in particular soaps and those containing sulfate or sulfonate groups with preferably alkali ions as cations.
- Soaps that can be used are preferably the alkali salts of saturated or unsaturated C 12-18 -fatty acids. Such fatty acids can also be used in a form that is not completely neutralized.
- the useful surfactants of the sulfate type include the salts of the sulfuric acid half esters of C12-18 fatty alcohols and the sulfation products of the non-ionic surfactants mentioned with a low degree of ethoxylation.
- the useful surfactants of the sulfonate type include, for example, C 9-14 -Alkyl benzene sulfonates, alkane sulfonates derived from C 12-18 -alkanes, e.g.
- C12-18-olefin sulfonates which are formed by the reaction of corresponding monoolefins with sulfur trioxide, mixtures of alkene and hydroxyalkane sulfonates, disulfonates, such as those obtained from C 12-18 -monoolefins with terminal or internal double bonds by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products, as well as ⁇ -sulfofatty acid esters (ester sulfonates) which are formed during the sulfonation of fatty acid methyl or ethyl esters, e.g.
- the agent preferably contains 2 to 55% by weight, preferably 3 to 35% by weight, of anionic surfactant.
- the agent most preferably contains 3 to 25% by weight of alkylbenzenesulfonate.
- the agent can preferably contain other anionic surfactants, in particular alkyl ether sulfates, and nonionic surfactants, in particular fatty alcohol alkoxylates. These can then make up the rest of the surfactants.
- Suitable alkylbenzenesulfonates are preferably selected from linear or branched alkylbenzenesulfonates of the formula - + Na , H or alkyl and together contain 6 to 19, preferably 7 to 15 and in particular 9 to 13 C atoms.
- a particularly preferred representative is sodium dodecylbenzylsulfonate.
- Alk(en)yl sulfates are the alkali metal and especially the sodium salts of the sulfuric acid half esters of C 12-18 -Fatty alcohols, e.g.
- alk(en)yl sulfates of the chain length mentioned which contain a synthetic, straight-chain alkyl radical produced on a petrochemical basis, which have a degradation behavior analogous to the adequate compounds based on oleochemical raw materials. From a washing technology point of view, the C 12-16 -Alkyl sulfates and C12-15-alkyl sulfates as well as C14-15-alkyl sulfates are preferred.
- the sulfuric acid monoesters of the straight-chain or branched C ethoxylated with 1 to 6 moles of ethylene oxide are also preferred.
- 7-21 alcohols such as 2-methyl-branched C 9-11 -Alcohols with an average of 3.5 moles of ethylene oxide (EO) or C 12-18 -Fatty alcohols with 1 to 4 EO are suitable.
- Suitable alkyl ether sulfates are, for example, compounds of the formula R 1 -O-(AO)n-SO3- X + .
- R 1 represents a linear or branched, substituted or unsubstituted alkyl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
- Preferred radicals R 1 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, with the representatives having an even number of carbon atoms being preferred.
- Particularly preferred radicals R 1 are derived from C 12-18 -fatty alcohols, e.g. coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or C10-20 oxo alcohols.
- AO stands for an ethylene oxide (EO) or propylene oxide (PO) group, preferably an ethylene oxide group.
- the index n stands for an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. Most preferably, n stands for the numbers 2, 3, 4, 5, 6, 7 or 8.
- X + stands for a monovalent cation or the n-th part of an n-valent cation, preferred are the alkali metal ions and among them Na + or K + , where Na + is highly preferred.
- Other cations X + can be selected from NH 4 + , 1 ⁇ 2 Zn 2+ , 1 ⁇ 2 Mg 2+ , 1 ⁇ 2 Ca 2+ , 1 ⁇ 2 Mn 2+ and mixtures thereof.
- the specified degree of ethoxylation represents a statistical mean value, which can be a whole or a fractional number for a specific product.
- the specified degrees of alkoxylation represent statistical mean values, which can be a whole or a fractional number for a specific product.
- Preferred alkoxylates/ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE). It has proven to be advantageous for cold washing performance if the agents also contain soap(s).
- Preferred agents are therefore characterized by the fact that they contain soap(s).
- Suitable are saturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, Stearic acid, hydrogenated erucic acid and behenic acid and in particular soap mixtures derived from natural fatty acids, e.g. coconut, palm kernel or tallow fatty acids.
- Suitable non-ionic surfactants are in particular alkyl glycosides and ethoxylation and/or propoxylation products of alkyl glycosides or linear or branched alcohols, each with 8 to about 18 C atoms in the alkyl part and 3 to 20, preferably 4 to 10 alkyl ether groups.
- N-alkylamines, vicinal diols, fatty acid esters and fatty acid amides which correspond to the long-chain alcohol derivatives mentioned with regard to the alkyl part, as well as of alkylphenols with 5 to 12 C atoms in the alkyl radical are usable.
- the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary alcohols with preferably 8 to 18 C atoms and an average of 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol residue can be linear or preferably methyl-branched in the 2-position or can contain linear and methyl-branched residues in the mixture, as is usually the case in oxo alcohol residues.
- EO ethylene oxide
- alcohol residue can be linear or preferably methyl-branched in the 2-position or can contain linear and methyl-branched residues in the mixture, as is usually the case in oxo alcohol residues.
- alcohol ethoxylates with linear residues from alcohols of native origin with 12 to 18 C atoms, e.g. from coconut, palm, tallow or oleyl alcohol, and an average of 2 to 8 EO per mole of alcohol are preferred.
- the preferred ethoxylated alcohols include, for example, C12-14 alcohols with 3 EO or 4 EO, C 9-11 -Alcohol with 7 EO, C 13-15 -Alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12-18 -Alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of C 12-14 -Alcohol with 3 EO and C 12-18 - Alcohol with 5 EO.
- the degrees of ethoxylation given represent statistical averages, which can be a whole or a fractional number for a specific product.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- fatty alcohols with more than 12 EO can also be used. Examples of these are tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
- Another class of preferably used non-ionic surfactants which are used either as the sole non-ionic surfactant or in combination with other non-ionic surfactants, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain, in particular fatty acid methyl esters.
- Another class of non-ionic surfactants that can be used advantageously are alkyl polyglycosides (APG).
- Usable alkyl polyglycosides satisfy the general formula RO(G) z , in which R is a linear or branched, in particular methyl-branched in the 2-position, saturated or unsaturated, aliphatic radical with 8 to 22, preferably 12 to 18 C atoms and G is the symbol that stands for a glycose unit with 5 or 6 C atoms, preferably glucose.
- the degree of glycosidation z is between 1 and 4, preferably between 1 and 2 and in particular between 1.1 and 1.4.
- Linear alkyl polyglycosides are preferably used, i.e. alkyl polyglycosides in which the polyglycosyl radical is a glucose radical and the alkyl radical is an n-alkyl radical.
- Nonionic surfactants of the amine oxide type e.g. N-cocoalkyl-N,N-dimethylamine oxide and N-tallowalkyl-N,N-dihydroxyethylamine oxide, and fatty acid alkanolamides can also be suitable.
- the amount of these non-ionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, in particular not more than half of that.
- Suitable amphoteric surfactants are, for example, betaines of the formula (R iii )(R iv )(R v )N + CH2COO-, in the R iii an alkyl radical having 8 to 25, preferably 10 to 21 carbon atoms, optionally interrupted by heteroatoms or heteroatom groups, and R iv and R v identical or different alkyl radicals having 1 to 3 carbon atoms, in particular C 10-18 - Alkyldimethylcarboxymethylbetaine and C11-17-alkylamidopropyldimethylcarboxymethylbetaine.
- Suitable cationic surfactants include the quaternary ammonium compounds of the formula (R vi )(R vii )(R viii )(R ix )N + X-, in the R vi to R ix stands for four identical or different, in particular two long-chain and two short-chain, alkyl radicals and X- stands for an anion, in particular a halide ion, e.g. didecyldimethylammonium chloride, alkylbenzyldidecylammonium chloride and mixtures thereof.
- Suitable cationic surfactants are the quaternary surface-active compounds, in particular with a sulfonium, phosphonium, iodonium or arsonium group, which are also known as antimicrobial agents.
- the agent can be designed with an antimicrobial effect or its antimicrobial effect, which may already be present due to other ingredients, can be improved.
- Another preferred component of agents according to the invention are complexing agents. Particularly preferred complexing agents are the phosphonates, provided their use is permitted by regulations.
- the complex-forming phosphonates include a range of different compounds, such as diethylenetriaminepenta(methylenephosphonic acid) (DTPMP).
- DTPMP diethylenetriaminepenta(methylenephosphonic acid)
- hydroxyalkane and aminoalkanephosphonates are particularly preferred.
- 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance as a cobuilder. It is preferably used as the sodium salt, with the disodium salt reacting neutrally and the tetrasodium salt reacting alkalinely (pH 9).
- Ethylenediaminetetramethylenephosphonate (EDTMP), diethylenetriaminepentamethylenephosphonate (DTPMP) and their higher homologues are preferably used as aminoalkanephosphonates. They are preferably used in the form of the neutrally reacting sodium salts, e.g. as the hexasodium salt of EDTMP or as the hepta- and octa-sodium salt of DTPMP.
- HEDP is preferably used as a builder from the class of phosphonates.
- the aminoalkanephosphonates also have a pronounced heavy metal binding capacity.
- a preferred agent in the context of this application contains one or more phosphonate(s) from the group aminotrimethylenephosphonic acid (ATMP) and/or its salts; ethylenediaminetetra(methylenephosphonic acid) (EDTMP) and/or its salts; diethylenetriaminepenta(methylenephosphonic acid) (DTPMP) and/or its salts; 1-hydroxyethane-1,1-diphosphonic acid (HEDP) and/or its salts; 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC) and/or their salts; hexamethylenediaminetetra(methylenephosphonic acid) (HDTMP) and/or their salts; nitrilotri(methylenephosphonic acid) (NTMP) and/or their salts.
- ATMP aminotrimethylenephosphonic acid
- ETMP ethylenediaminetetra(methylenephosphonic acid)
- DTPMP diethylenetriaminepenta(methylenephosphonic acid)
- agents which contain 1-hydroxyethane-1,1-diphosphonic acid (HEDP) or diethylenetriaminepenta(methylenephosphonic acid) (DTPMP) as phosphonates are particularly preferred.
- the agents according to the invention can contain two or more different phosphonates.
- Preferred agents according to the invention are characterized in that the agent contains at least one complexing agent from the group of phosphonates, preferably 1-hydroxyethane-1,1-diphosphonate, the proportion by weight of the phosphonate in the total weight of the agent preferably being 0.1 and 8.0 wt.%, preferably 0.2 and 5.0 wt.%, more preferably 0.3 and 3.0 wt.% and particularly preferably 0.5-2.0 wt.%.
- the washing and/or cleaning agents according to the invention are essentially free of phosphonate-containing compounds.
- "Essentially free of phosphonate-containing compounds” in this context means that the corresponding agents contain less than 2 wt.%, preferably less than 1 wt.%, more preferably less than 0.5 wt.% and particularly preferably less than 0.1 wt.% of phosphonate-containing compounds, based on the total weight of the agent. In particularly preferred embodiments, these agents are free of phosphonate-containing compounds.
- the agents according to the invention preferably also contain builders, preferably at least one water-soluble and/or water-insoluble, organic and/or inorganic builder. The builders include in particular silicates, carbonates and organic cobuilders.
- Organic cobuilders include in particular polycarboxylates/polycarboxylic acids, polymeric polycarboxylates, aspartic acid, polyacetals, dextrins, other organic cobuilders and phosphonates. These classes of substances are described below. Organic cobuilder substances can, if desired, be contained in amounts of up to 40% by weight, in particular up to 25% by weight and preferably from 1 to 8% by weight. Useful organic builders are, for example, polycarboxylic acids which can be used in the form of the free acid and/or their sodium salts, whereby polycarboxylic acids are understood to be carboxylic acids which have more than one acid function.
- Examples of these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids and carboxymethylinulins, monomeric and polymeric aminopolycarboxylic acids, in particular glycinediacetic acid, methylglycinediacetic acid, glutaminediacetic acid, nitrilotriacetic acid (NTA), iminodisuccinate such as ethylenediamine-N,N'-disuccinic acid and hydroxyiminodisuccinates, ethylenediaminetetraacetic acid and polyaspartic acid, polyphosphonic acids, in particular aminotris(methylenephosphonic acid), ethylenediaminetetrakis(methylenephosphonic acid), lysinetetra(methylenephosphonic acid) and 1-hydroxyethane-1,1-diphosphonic acid, polymeric hydroxy compounds such as dextrin and polymeric (poly)carboxy
- Such organic builder substances can, if desired, be contained in amounts of up to 50% by weight, in particular up to 25% by weight, preferably from 10 to 20% by weight and particularly preferably from 1 to 5% by weight.
- the free acids typically also have the property of an acidifying component and thus also serve to set a lower and milder pH value of agents.
- Citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any mixtures of these are particularly worth mentioning here.
- Citric acid or salts of citric acid are particularly preferably used as the builder substance.
- MGDA methylglycine disidic acid
- GLDA glutamic acid diacetate
- ASDA aspartic acid diacetate
- HEIDA hydroxyethyliminodiacetate
- IDS iminodisuccinate
- EDDS ethylenediamine disuccinate
- carboxymethylinulin and polyaspartate methylglycine disidic acid
- GLDA glutamic acid diacetate
- ASDA aspartic acid diacetate
- HEIDA hydroxyethyliminodiacetate
- IDS iminodisuccinate
- EDDS ethylenediamine disuccinate
- Citric acid/citrate can each be used in the form of their hydrates, for example citric acid can be used in the form of the monohydrate, citrate in the form of the trisodium citrate dihydrate.
- Polymeric polycarboxylates are also suitable as builders, for example the alkali metal salts of polyacrylic acid or polymethacrylic acid, e.g.
- the molar masses specified for polymeric polycarboxylates are weight-average molar masses Mw of the respective acid form, which were generally determined by means of gel permeation chromatography (GPC) using a UV detector. The measurement was carried out against an external polyacrylic acid standard, which provides realistic molar weight values due to its structural similarity to the polymers examined. These figures differ significantly from the molar weight figures for which polystyrene sulfonic acids are used as a standard. The molar masses measured against polystyrene sulfonic acids are generally significantly higher than the molar masses specified in this application.
- Suitable polymers are in particular polyacrylates, which preferably have a molar mass of 2000 to 20,000 g/mol. Due to their superior solubility, the short-chain polyacrylates from this group, which have molecular weights of 2000 to 10,000 g/mol, and particularly preferably 3000 to 5000 g/mol, may be preferred. Also suitable are copolymeric polycarboxylates, in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid. Copolymers of acrylic acid with maleic acid, which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid, have proven particularly suitable.
- a solid agent according to the invention preferably contains at least one water-soluble and/or water-insoluble, organic and/or inorganic builder.
- the water-soluble organic builder substances include the organic framework substances mentioned above.
- the agents of the invention can also contain inorganic water-soluble builders.
- Suitable water-soluble inorganic builder materials are in particular alkali silicates, alkali carbonates, alkali hydrogen carbonates, alkali phosphates and/or sesquicarbonates, which can be present in the form of their alkaline, neutral or acidic sodium or potassium salts. Small amounts of calcium carbonates can also be contained in solid textile detergents if necessary. Suitable examples are water-soluble crystalline and/or amorphous alkali silicates.
- the alkali silicates that can be used as builders in the agents according to the invention preferably have a molar ratio of alkali oxide to SiO2 of less than 0.95, in particular from 1:1.1 to 1:12, and can be amorphous or crystalline.
- Preferred alkali silicates are sodium silicates, in particular amorphous sodium silicates, with a molar ratio of Na 2 O:SiO 2 from 1:2 to 1:2.8.
- Crystalline silicates which can be present alone or in a mixture with amorphous silicates are preferably crystalline layered silicates of the general formula Na2SixO2x+1 ⁇ y H2O, in which x, the so-called modulus, is a number from 1.9 to 22, in particular 1.9 to 4 and y is a number from 0 to 33 and preferred values for x are 2, 3 or 4.
- Preferred crystalline layered silicates are those in which x in the general formula mentioned assumes the values 2 or 3.
- both ß- and ⁇ -sodium disilicates are preferred.
- Virtually anhydrous crystalline alkali silicates of the above general formula, in which x is a number from 1.9 to 2.1, produced from amorphous alkali silicates, can also be used in agents according to the invention.
- a crystalline sodium layered silicate with a modulus of 2 to 3 is used, as can be produced from sand and soda. Crystalline sodium silicates with a modulus in the range of 1.9 to 3.5 are used in a further embodiment of the inventive agent.
- the weight ratio of amorphous alkali silicate to crystalline alkali silicate is preferably 1:2 to 2:1 and in particular 1:1 to 2:1.
- Crystalline layered silicates of the above formula (I) are sold by Clariant GmbH under the trade name Na-SKS, e.g. Na-SKS-1 (Na 2 Si 22 O 45 ⁇ x H 2 O, Kenyaite), Na-SKS-2 (Na 2 Si 14 O 29 ⁇ x H 2 O, magadiite), Na-SKS-3 (Na2Si8O17 ⁇ x H2O) or Na-SKS-4 (Na2Si4O9 ⁇ x H2O, macatite).
- Na-SKS e.g. Na-SKS-1 (Na 2 Si 22 O 45 ⁇ x H 2 O, Kenyaite)
- Na-SKS-2 Na 2 Si 14 O 29 ⁇ x H 2 O, magadiite
- Na-SKS-3 Na2Si8O17 ⁇
- Na-SKS-5 ⁇ -Na2Si2O5
- Na-SKS-7 ß-Na2Si2O5, natrosilite
- Na-SKS-9 NaHSi2O5 ⁇ 3 H2O
- Na-SKS-10 NaHSi 2 O 5 ⁇ 3 H 2 O, kanemite
- Na-SKS-11 t-Na 2 Si 2 O 5
- Na-SKS-13 NaHSi 2 O 5
- Na-SKS-6 ⁇ -Na 2 Si 2 O 5
- a granular compound of crystalline layered silicate and citrate, of crystalline layered silicate and the above-mentioned (co-)polymeric polycarboxylic acid, or of alkali silicate and alkali carbonate is used, as is commercially available, for example, under the name Nabion® 15.
- Such water-soluble inorganic builder materials are preferably contained in the agents according to the invention in amounts of 1 to 20% by weight, in particular 5 to 15% by weight.
- Other important water-soluble inorganic builder substances are the carbonates (and hydrogen carbonates), in particular sodium carbonate, and the phosphonic acids/phosphonates.
- the agents according to the invention are preferably free of phosphate builders, i.e.
- the agents can also contain water-insoluble builder substances.
- Water-insoluble inorganic builder materials used are in particular crystalline or amorphous water-dispersible alkali aluminosilicates, in amounts of up to 50% by weight, preferably not more than 40% by weight, in particular from 3 to 20% by weight and particularly preferably from 1 to 15% by weight.
- the crystalline sodium aluminosilicates in detergent quality in particular zeolite A, zeolite P, zeolite MAP and optionally zeolite X, alone or in mixtures, e.g.
- zeolites A and X in the form of a co-crystallizate of zeolites A and X (Vegobond® AX, a commercial product of Condea Augusta S.p.A.), are preferred. Amounts close to the upper limit mentioned are preferably used in solid, particulate agents. Suitable aluminosilicates in particular do not have any particles with a grain size of more than 30 ⁇ m and preferably consist of at least 80% by weight of particles with a size of less than 10 ⁇ m. Their calcium binding capacity, which can be determined according to DE 2412837 A1, is generally in the range of 100 to 200 mg CaO per gram. In addition to the previously described builders, the agent can contain cleaning-active polymers.
- the weight proportion of the cleaning-active polymers in the total weight of agents according to the invention is preferably 0.1 to 20% by weight, preferably 1.0 to 15% by weight and more preferably 2.0 to 12% by weight.
- Peroxygen compounds suitable for use in agents according to the invention are, in particular, organic peracids or peracidic salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdodecanedioic acid, hydrogen peroxide and inorganic salts which release hydrogen peroxide under the washing conditions, including perborate, percarbonate, persilicate and/or persulfate such as caroate, as well as hydrogen peroxide inclusion compounds such as H 2 O 2 -urea adducts.
- Hydrogen peroxide can also be produced with the aid of an enzymatic system, i.e. an oxidase and its substrate.
- an enzymatic system i.e. an oxidase and its substrate.
- solid peroxygen compounds are to be used, these can be used in the form of powders or granules, which can also be coated in a manner known in principle.
- the peroxygen compounds can be added to the washing solution as such or in the form of agents containing them, which in principle can contain all the usual washing, cleaning or disinfectant components.
- Alkali percarbonate or alkali perborate monohydrate is particularly preferably used. If an agent according to the invention contains peroxygen compounds, these are present in amounts of preferably up to 50% by weight, in particular from 5 to 30% by weight, more preferably from 0.1 to 20% by weight.
- Compounds which can be used as bleach activators in the agents are those which, under perhydrolysis conditions, give rise to aliphatic peroxocarboxylic acids with preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and/or optionally substituted perbenzoic acid. Substances which carry O and/or N acyl groups of the stated number of C atoms and/or optionally substituted benzoyl groups are suitable.
- acylated alkylenediamines in particular tetraacetylethylenediamine (TAED), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, in particular tetraacetylglycoluril (TAGU), N-acylimides, in particular N-nonanoylsuccinimide (NOSI), acylated phenolsulfonates or - carboxylates or the sulfonic or carboxylic acids thereof, in particular nonanoyl or isononanoyloxybenzenesulfonate or laroyloxybenzenesulfonate (NOBS or iso-NOBS or LOBS), 4-(2-decanoyloxyethoxycarbonyloxy)benzenesulfonate (DECOBS) or decan
- N-benzoylcaprolactam nitriles from which perimidic acids are formed, in particular aminoacetonitrile derivatives with a quaternized nitrogen atom, and/or oxygen-transferring sulfonimines and/or acylhydrazones.
- the hydrophilically substituted acyl acetals and the acyl lactams are also preferably used.
- Combinations of conventional bleach activators can also be used.
- Such bleach activators can be present in the usual amount range, preferably in amounts of 0.5 to 10% by weight, in particular 1 to 8% by weight, based on the total agent, particularly in the presence of the above-mentioned hydrogen peroxide-producing bleaching agents, but are preferably completely absent when percarboxylic acid is used as the sole bleaching agent.
- solid agents can also contain sulfonimines and/or bleach-enhancing transition metal salts or transition metal complexes as so-called bleach catalysts.
- Suitable graying inhibitors or soil-release agents are cellulose ethers such as carboxymethylcellulose, methylcellulose, hydroxyalkylcelluloses and cellulose mixed ethers such as methylhydroxyethylcellulose, methylhydroxypropylcellulose and methylcarboxymethylcellulose.
- cellulose ethers such as carboxymethylcellulose, methylcellulose, hydroxyalkylcelluloses and cellulose mixed ethers such as methylhydroxyethylcellulose, methylhydroxypropylcellulose and methylcarboxymethylcellulose.
- Sodium carboxymethylcellulose, hydroxypropylmethylcellulose and mixtures thereof and, if appropriate, mixtures thereof with methylcellulose are preferably used.
- the soil-release agents commonly used include copolyesters containing dicarboxylic acid units, alkylene glycol units and polyalkylene glycol units.
- the proportion of graying inhibitors and/or soil-release active ingredients in agents according to the invention is generally not more than 2% by weight and is preferably 0.5 to 1.5% by weight, particularly preferably 0.5 to 2% by weight.
- the washing or cleaning agent according to the invention can contain, in addition to the at least one peptide and/or peptide conjugate as soil-release active ingredient, other soil-release active ingredients, preferably SRP polymers, although this embodiment is not preferred.
- These active ingredients can have a positive effect on the ability to wash oil and grease out of textiles. This effect is particularly evident when a textile is soiled that has already been washed several times with an agent containing this oil and grease-dissolving component.
- Preferred SRP active ingredients include, for example, non-ionic cellulose ethers such as methylcellulose and methylhydroxypropylcellulose with a proportion of methoxyl groups of 15 to 30% by weight and of hydroxypropoxyl groups of 1 to 15% by weight, each based on the non-ionic cellulose ether, as well as the polymers of phthalic acid and/or known from the prior art.
- non-ionic cellulose ethers such as methylcellulose and methylhydroxypropylcellulose with a proportion of methoxyl groups of 15 to 30% by weight and of hydroxypropoxyl groups of 1 to 15% by weight, each based on the non-ionic cellulose ether, as well as the polymers of phthalic acid and/or known from the prior art.
- terephthalic acid or its derivatives with monomeric and/or polymeric diols in particular polymers of ethylene terephthalates and/or polyethylene glycol terephthalates or anionically and/or non-ionically modified derivatives of these.
- Typical soil release polymers for polyester-containing textiles can be based, for example, on copolymers of polyester and polyether, also terephthalate, e.g. polypropylene terephthalate.
- Examples of commercially available soil release polymers include the polymers sold by Rhodia under the trade name Repel-O-Tex, such as Repel-O-Tex SRP 4, Repel-O-Tex SRP 6, Repel-O-Tex PF, Repel-O-Tex PF 594, the polymers sold by BASF under the trade name Sokalan, such as Sokalan SR 100, the polymers sold by Sasol under the trade name Marloquest SL, the polymers sold by Clariant under the trade name TexCare, such as TexCare SRN-170, TexCare SRN-240, TexCare SRN-325.
- Optical brighteners for textiles made from cellulose fibers in particular can include derivatives of diaminostilbenedisulfonic acid or its alkali metal salts. Suitable examples are salts of 4,4'-bis(2-anilino-4-morpholino-1,3,5-triazin-6-yl-amino)-stilbene-2,2'-disulfonic acid or similarly structured compounds which have a diethanolamino group, a methylamino group or a 2-methoxyethylamino group instead of the morpholino group.
- Brighteners of the substituted 4,4'-distyryl-diphenyl type can also be present, e.g. 4,4'-bis-(4-chloro-3-sulfostyryl)-diphenyl. Mixtures of brighteners can also be used.
- Brighteners of the 1,3-diaryl-2-pyrazoline type e.g. 1-(p-sulfoamoylphenyl)-3-(p-chlorophenyl)-2-pyrazoline and similarly structured compounds, are particularly suitable for polyamide fibers.
- the content of optical brighteners or brightener mixtures in the agent is generally not more than 1% by weight, preferably 0.05 to 0.5% by weight.
- the agent is free of such active ingredients.
- the usual foam regulators that can be used in the agents according to the invention include, for example, polysiloxane-silica mixtures, the finely divided silica contained therein preferably being silanized or otherwise hydrophobized.
- the polysiloxanes can consist of linear compounds as well as cross-linked polysiloxane resins and mixtures thereof.
- Other defoamers are paraffin hydrocarbons, in particular microparaffins and paraffin waxes, whose melting point is above 40°C, saturated fatty acids or soaps with in particular 20 to 22 C atoms, e.g.
- the proportion of foam regulators can preferably be 0.2 to 2% by weight, particularly preferably not more than 1% by weight.
- the agents according to the invention can contain system- and environmentally compatible acids, in particular citric acid, acetic acid, tartaric acid, malic acid, lactic acid, glycolic acid, succinic acid, glutaric acid and/or adipic acid, but also mineral acids, in particular sulfuric acid or alkali hydrogen sulfates, or bases, in particular Ammonium or alkali hydroxides, preferably sodium hydroxide.
- Such pH regulators are preferably contained in the agents according to the invention in amounts of no more than 10% by weight, in particular from 0.5 to 6% by weight, particularly preferably from 0.3 to 2% by weight.
- the agents according to the invention can contain an organic solvent as a further component.
- organic solvents come from the group of mono- or polyhydric alcohols, alkanolamines or glycol ethers.
- the solvents are selected from ethanol, n- or i-propanol, butanol, glycol, propanediol, butanediol, glycerin, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol methyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol methyl ether, dipropylene glycol ethyl ether, diprop
- the proportion by weight of these organic solvents in the total weight of the agents according to the invention is preferably 0.1 to 10% by weight, preferably 0.2 to 8.0% by weight and more preferably 0.5 to 5.0% by weight.
- a particularly preferred organic solvent that is particularly effective in terms of stabilizing the agents is glycerin and 1,2-propylene glycol.
- Liquid agents preferably comprise at least one polyol, preferably from the group glycerin and 1,2-propylene glycol, based on the total weight of the agent, preferably 0.1 to 10% by weight, preferably 0.2 to 8.0% by weight and more preferably 0.5 to 5.0% by weight.
- Other preferred organic solvents are organic amines and alkanolamines.
- the agents according to the invention preferably contain these amines in amounts of 0.1 to 10% by weight, preferably 0.2 to 8.0% by weight and more preferably 0.5 to 5.0% by weight, in each case based on their total weight.
- a particularly preferred alkanolamine is ethanolamine.
- Agents according to the invention can contain enzymes in a concentration appropriate for the effectiveness of the agent.
- all enzymes can be used which can develop a catalytic activity in the agent according to the invention, in particular a protease, lipase, amylase, cellulase, hemicellulase, mannanase, tannase, xylanase, xanthanase, xyloglucanase, ß-glucosidase, pectinase, carrageenase, perhydrolase, oxidase, oxidoreductase, and mixtures thereof.
- Enzymes are advantageously present in the agent in an amount of 1 x 10 -8 to 5 wt.% based on active protein.
- each enzyme is present in an amount of 1 x 10 -7 up to 3 wt.%, 0.00001 to 1 wt.%, 0.00005 to 0.5 wt.%, 0.0001 to 0.1 wt.% and particularly preferably 0.0001 to 0.05 wt.% in agents according to the invention, based on active protein.
- the enzymes particularly preferably show synergistic cleaning performance against certain soilings or stains, i.e. the enzymes contained in the agent composition support each other in their cleaning performance.
- proteases are the subtilisins BPN' from Bacillus amyloliquefaciens and Carlsberg from Bacillus licheniformis, the protease PB92, the subtilisins 147 and 309, the protease from Bacillus lentus, subtilisin DY and the subtilases, but no longer the subtilisins in the narrower sense.
- associated enzymes Thermitase, Proteinase K and the proteases TW3 and TW7.
- Subtilisin Carlsberg is available in a further developed form under the trade name Alcalase® from the company Novozymes.
- Subtilisins 147 and 309 are sold under the trade names Esperase® and Savinase® respectively by the company Novozymes.
- Protease variants are derived from the protease from Bacillus lentus DSM 5483, described in e.g. WO 95/23221, WO 92/21760 WO 2013/060621 and EP 3660151.
- Other useful proteases are e.g.
- proteases from Bacillus gibsonii and Bacillus pumilus which are disclosed in WO 2008/086916, WO 2007/131656, WO 2017/215925, WO 2021/175696 and WO 2021/175697, are also particularly preferably used.
- amylases are the ⁇ -amylases from Bacillus licheniformis, Bacillus amyloliquefaciens or Bacillus stearothermophilus and in particular their further developments which have been improved for use in washing and/or cleaning agents.
- the enzyme from Bacillus licheniformis is available from Novozymes under the name Termamyl® and from Danisco/DuPont under the name Purastar® ST.
- ⁇ -amylase Further developments of this ⁇ -amylase are available under the trade names Duramyl® and Termamyl® ultra (both from Novozymes), Purastar® OxAm (Danisco/DuPont) and Keistase® (Daiwa Seiko Inc.).
- the ⁇ -amylase from Bacillus amyloliquefaciens is sold by Novozymes under the name BAN®, and derived variants of the ⁇ -amylase from Bacillus stearothermophilus under the names BSG® and Novamyl®, also from Novozymes.
- the ⁇ -amylase from Bacillus sp are available under the trade names Duramyl® and Termamyl® ultra (both from Novozymes), Purastar® OxAm (Danisco/DuPont) and Keistase® (Daiwa Seiko Inc.).
- the ⁇ -amylase from Bacillus amyloliquefaciens is
- a 7-7 (DSM 12368) and the cyclodextrin glucanotransferase (CGTase) from Bacillus agaradherens (DSM 9948) are particularly suitable. Fusion products of all of the molecules mentioned can also be used. In addition, the further developments of the ⁇ -amylase from Aspergillus niger and A. oryzae available under the trade name Fungamyl® from the company Novozymes are also suitable.
- Variants of these enzymes obtainable through point mutations can also be used according to the invention.
- Suitable cellulases include those of bacterial or fungal origin. Chemically modified or protein-modified mutants are included.
- Suitable cellulases are cellulases from the genera Bacillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, e.g. the fungal cellulases from Humicola insolens, Myceliophthora thermophila and Fusarium oxysporum disclosed in US 4435307, US 5648263, US 5691178, US 5776757 and WO 89/09259.
- Particularly suitable cellulases are the alkaline or neutral cellulases with color care properties. Examples of such cellulases are cellulases described in EP 0495257, EP 0531372, WO 96/11262, WO 96/29397, WO 98/08940.
- cellulase variants as described in WO 94/07998, EP 0531315, EP 3212777, EP 3502243, EP 3653705, EP 3653706, US 5457046, US 5686593, US 5763254, WO 95/24471, WO 98/12307 and WO 99/01544 and WO 2019/122520.
- Examples of cellulases with endo-1,4-glucanase activity (EC 3.2.1.4) are described in WO 2002/099091, e.g. those with a sequence of at least 97% identity to the amino acid sequence of positions 1 to 773 of SEQ ID NO:2 of WO 2002/099091.
- Another example may include a GH44 xyloglucanase, e.g. a xyloglucanase enzyme with a sequence of at least 60% identity to positions 40 to 559 of SEQ ID NO:2 of WO 2001/062903.
- cellulases include the GH45 cellulases described in WO 96/29397.
- Commercially available cellulases include Celluzyme TM , Carezyme TM , Carezyme Premium TM , Celluclean TM (e.g.
- Celluclean TM 5000L to Cellulclean TM 4000T Celluclean Classic TM , Cellusoft TM , Endolase®, Renozyme® and Whitezyme TM (Novozymes A/S), Clazinase TM and Puradax HA TM (Genencor International Inc.), KAC-500(B) TM (Kao Corporation), Revitalization TM 1000, Revitalenz TM 2000 and revitalization TM 3000 (DuPont), as well as Ecostone® and Biotouch® (AB Enzymes).
- Suitable lipases are e.g. from Thermomyces, e.g. from T.
- lanuginosus (formerly Humicola lanuginosa) as described in EP 0258068 and EP 0305216, lipase from strains of Pseudomonas (some of them now renamed Burkholderia), e.g. P. alcaligenes or P. pseudoalcaligenes, P. cepacia, P. sp. strain SD705, P. wisconsinensis, Streptomyces lipases of the GDSL type, lipase from Thermobifida fusca, lipase from Geobacillus stearothermophilus, lipase from Bacillus subtilis and lipase from Streptomyces griseus and S.
- Pseudomonas e.g. P. alcaligenes or P. pseudoalcaligenes
- P. cepacia P. sp. strain SD705
- P. wisconsinensis Streptomyces lipases
- Preferred lipases include, for example, the lipases originally obtained from Humicola lanuginosa (Thermomyces lanuginosus) or developed from it, in particular those with one or more of the following amino acid substitutions starting from the lipase mentioned in positions D96L, T213R and/or N233R, particularly preferably T213R and N233R.
- Preferred commercial lipase products include Lipolase TM , Lipex TM , Lipolex TM and Lipoclean TM (Novozymes A/S), Lumafast (Genencor/DuPont) and Lipomax (Gist-Brocades).
- Suitable mannanases are, for example, the Bacillus subtilis endo- ⁇ -mannanase, Bacillus sp. I633 Endo- ⁇ -mannanase, Bacillus sp. AAI12 Endo- ⁇ -mannanase, Bacillus sp.
- Endo- ⁇ -mannanase Bacillus agaradhaerens NCIMB 40482 Endo- ⁇ -mannanase, Bacillus halodurans endo- ⁇ -mannanase, Bacillus clausii endo- ⁇ -mannanase, Bacillus licheniformis endo- ⁇ -mannanase, Humicola insolens endo- ⁇ -mannanase and caldocellulosiruptor sp. Endo- ⁇ -mannanase (cf. e.g. US 6060299, WO 99/64573, US 6566114 and WO 99/64619).
- Pectate lyases suitable for washing and cleaning agents are described e.g. in WO 2003/095638 or WO 2015/121133.
- suitable Pectinolytic enzymes are also available under the trade names Gamanase®, Pektinex AR®, X-Pect® or Pectaway® from the Enzymes and enzyme preparations available from Novozymes, under the trade names Rohapect UF®, Rohapect TPL®, Rohapect PTE100®, Rohapect MPE®, Rohapect MA plus HC, Rohapect DA12L®, Rohapect 10L®, Rohapect B1L® from AB Enzymes and under the trade name Pyrolase® from Diversa Corp.
- the enzymes to be used can also be packaged together with accompanying substances, for example from fermentation.
- the enzymes are preferably used as enzyme liquid formulation(s). It is also possible to package two or more enzymes together so that a single granulate has several enzyme activities.
- the enzymes can also be incorporated into water-soluble films, such as those used in the packaging of washing and cleaning agents in unit dose form. Such a film enables the release of the enzymes after contact with water.
- water-soluble refers to a film structure that is preferably completely water-soluble.
- such a film consists of (fully or partially hydrolyzed) polyvinyl alcohol (PVA).
- the agents according to the invention can comprise one or more reversible enzyme inhibitor(s)/stabilizer(s).
- the agents according to the invention can contain the reversible enzyme inhibitor(s)/stabilizer(s) in a concentration of 0.1 to 2% by weight, preferably 0.3 to 1.5% by weight, based on the total weight of the agent. If several inhibitors/stabilizers are included, these details refer to the total concentration.
- washing and/or cleaning agent according to the invention is essentially free of boron-containing compounds.
- Essentially free of boron-containing compounds in this context means that the agents according to the invention contain less than 2% by weight, preferably less than 1% by weight, more preferably less than 0.5% by weight and particularly preferably less than 0.1% by weight, of boron-containing compounds, based on the total weight of the agent.
- the agents according to the invention are free of boron-containing compounds, i.e. they contain in particular no boric acid and/or phenylboronic acid derivatives.
- suitable additives for agents according to the invention can be selected from, for example, builders, bleaching agents, bleach catalysts, bleach activators, electrolytes, pH adjusters, perfumes, perfume carriers, fluorescent agents, dyes, color transfer inhibitors (DTI polymers), hydrotropes, foam inhibitors/defoamers, silicone oils, soil release polymers/soil repellent polymers, graying inhibitors, shrinkage inhibitors, anti-crease agents, antimicrobial agents, solvents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic agents, bittering agents, ironing aids, phobic and impregnating agents, Skin-care active ingredients, swelling and slip-resistant agents, complexing agents, softening components and UV absorbers and mixtures thereof, in particular solvents such as water and/or organic solvents, thickeners, stabilizers, soil-release polymers/soil-repellent polymers, fragrances or perfumes, complexing agents, pH adjusters, foam inhibitors/defoamers and/or mixture
- the agent according to the invention comprises the at least one additive in an amount of 0.0001 to 30% by weight, preferably 0.1 to 20% by weight, more preferably 1 to 10% by weight, based on the total weight of the agent. Water is preferably not included in this concentration and can be added to the agent in addition.
- the agent preferably contains at least one perfume or fragrance, or optionally a mixture of different perfumes/fragrances as the at least one additive.
- Individual fragrance compounds e.g. synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type, can be used as perfume oils or fragrances. However, mixtures of different fragrances are preferably used which together produce an appealing fragrance.
- perfume oils can also contain natural fragrance mixtures, such as those available from plant sources, e.g. pine, citrus, jasmine, patchouli, rose or ylang-ylang oil. Suitable fragrances and perfumes or mixtures thereof are known to those skilled in the art in the field of washing or cleaning product production.
- the agent contains one or more fragrances in an amount of usually up to 15% by weight, preferably 0.01 to 5% by weight, in particular 0.3 to 3% by weight, based on the total weight of the agent.
- the agents contain one or more hydrophobic components.
- hydrophobic components not only improve the cleaning effect against hydrophobic contaminants such as greasy dirt, but also have a positive effect on phase separation and its reversibility in multiphase agents.
- Suitable hydrophobic components are, for example, dialkyl ethers with the same or different C 4-14 -Alkyl radicals, in particular linear dioctyl ether; hydrocarbons with a boiling range of 100 to 300°C, in particular 140 to 280°C, e.g.
- hydrophobic components are mixtures of various dialkyl ethers, of dialkyl ethers and hydrocarbons, of dialkyl ethers and essential oils, of hydrocarbons and essential oils, of dialkyl ethers and hydrocarbons and essential oils and of these mixtures.
- the washing or cleaning agents can contain hydrophobic components in amounts, based on the total weight of the agent, of 0.01 to 20% by weight, preferably 0.1 to 14% by weight, more preferably 0.5 to 10% by weight, even more preferably 0.8 to 7% by weight.
- the washing or cleaning agents according to the invention can contain one or more phase separation aids.
- Suitable phase separation aids are in addition to citric acid and citrates, for example alkali metal and alkaline earth metal halides, in particular chlorides, and sulfates and nitrates, in particular sodium and potassium chloride and sulfate, as well as ammonium chloride and sulfate or mixtures thereof.
- the washing or cleaning agents can contain phase separation aids in amounts, based on the total weight of the agent, of 0.01 to 30% by weight, preferably 0.1 to 20% by weight, e.g. 1 to 15% by weight or 1 to 5% by weight.
- the washing or cleaning agent can contain one or more thickeners, preferably in an amount of 0.01 to 5 wt.%, more preferably 0.05 to 2.5 wt.%, even more preferably 0.1 to 1 wt.%.
- Suitable thickeners are, for example, organic natural thickeners (agar-agar, carrageenan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour, locust bean gum, starch, dextrins, gelatin, casein), organic modified natural substances (carboxymethylcellulose and other cellulose ethers, hydroxyethyl and propyl cellulose and the like, kernel flour ethers), organic fully synthetic thickeners (polyacrylic and polymethacrylic compounds, vinyl polymers, polycarboxylic acids, polyethers, polyimines, polyamides) and inorganic thickeners (polysilicic acids, clay minerals such as montmorillonites, zeolites, silicic acids).
- organic natural thickeners agar-agar, carrageenan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour, locust bean gum, starch, dextrins
- Polyacrylic and polymethacrylic compounds include, for example, the high molecular weight homopolymers of acrylic acid cross-linked with a polyalkenyl polyether, in particular an allyl ether of pentaerythritol or propylene (INCI name according to the International Dictionary of Cosmetic Ingredients of The Cosmetic, Toiletry, and Fragrance Association (CTFA): Carbomer), which are also referred to as carboxyvinyl polymers.
- CTF Cosmetic, Toiletry, and Fragrance Association
- acrylic acid copolymers also include the following acrylic acid copolymers: (i) copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple esters, preferably formed with C1-4 alkanols (INCI Acrylates Copolymer), which include, for example, the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate (CAS 25035-69-2) or of butyl acrylate and methyl methacrylate (CAS 25852-37-3); (ii) cross-linked high molecular weight acrylic acid copolymers, which include copolymers of C10-30 alkyl acrylates cross-linked with an allyl ether of pentaerythritol with one or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably C 1-4 -alkanols formed, esters (INCI Acrylates/C 10-30 Alkyl Acrylate Crosspolymer).
- acrylic acid copolymers
- the polyacrylic and polymethacrylic compounds that are suitable as thickeners have a weight-average molecular weight of >100,000 g/mol, preferably ⁇ 500,000 g/mol.
- Preferred thickeners are the polysaccharides and heteropolysaccharides, in particular the polysaccharide gums, e.g. gum arabic, agar, alginates, carrageenans and their salts, guar, guaran, tragacanth, gellan, ramsan, dextran or xanthan and their derivatives, e.g. propoxylated guar, and their mixtures.
- polysaccharide thickeners such as starches or cellulose derivatives
- starches or cellulose derivatives can be used alternatively, but preferably in addition to a polysaccharide gum, e.g. Starches of various origins and starch derivatives, e.g. hydroxyethyl starch, starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl, hydroxyethyl, hydroxypropyl, hydroxypropyl-methyl or hydroxyethyl-methyl cellulose or cellulose acetate.
- Starches of various origins and starch derivatives e.g. hydroxyethyl starch, starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl, hydroxyethyl, hydroxypropyl, hydroxypropyl-methyl or hydroxyethyl-methyl cellulose or cellulose acetate.
- Polysaccharides and heteropolysaccharides suitable as thickeners preferably have a weight-average molecular weight of >1500 g/mol, more preferably >5000 g/mol, even more preferably >50000 g/mol. In general, their weight-average molecular weight is ⁇ 250000 g/mol.
- a particularly preferred polymer is the microbial anionic heteropolysaccharide xanthan gum, which is produced by Xanthomonas campestris and some other species under aerobic conditions with a molecular weight of 2 to 15 ⁇ 10 6 g/mol is produced.
- the washing or cleaning agent according to the invention can contain dye transfer inhibitors, preferably DTI (dye transfer inhibiting) polymers.
- Suitable DTI polymers include, for example, homo- or copolymers based on vinylic, nitrogen-containing, preferably heterocyclic monomers, e.g. N-vinylpyrrolidone, N-vinylimidazole, N-vinylcaprolactam and 4-vinylpyridine. These compounds are typically not biodegradable. Examples of commercially available DTIs are known from US 2012/0225025 A1. Further examples of DTI polymers include, but are not limited to, polyvinylpyrrolidone (e.g. Sokalan® HP 50/BASF, PVP-K-Types®/ISP), vinylpyrrolidone-vinylimidazole copolymers (e.g.
- Sokalan® HP 56/BASF poly(4-vinylpyridine-N-oxide) (e.g. Chromabond® S-403E/ISP), and poly(4-vinylpyridine-N-carboxymethylbetaine (e.g. Chromabond® S 400/ISP).
- Exemplary washing and cleaning agent compositions and suitable ingredients are described, for example, in WO 2001/44433 A1 or WO 2016/091650 A1.
- An exemplary composition of a washing agent according to the invention in particular a liquid washing agent, comprises, in addition to the peptides and/or peptide conjugates described herein, the following components: water; and surfactants, in particular anionic and/or nonionic surfactants; and/or thickeners; and/or stabilizers; and/or organic solvents; and/or enzymes; and/or fragrances; and/or complexing agents, e.g.
- a washing or cleaning agent according to the invention particularly preferably comprises the following components in addition to the peptides according to the invention: at least one surfactant, preferably in a concentration of 0.5 to 60% by weight; and/or at least one stabilizer, preferably in a concentration of 0.001 to 20% by weight, e.g.
- 0.1 to 5% by weight and/or at least one complexing agent, preferably in a concentration of 0.01 to 30% by weight, in particular 0.1 to 10% by weight or 0.2 to 5% by weight; and/or at least one organic solvent, preferably in a concentration of 0.1 to 30% by weight, e.g. 0.5 to 25% by weight; and/or at least one DTI polymer, preferably in a concentration of 0.01 to 20% by weight, for example 0.05 to 5% by weight; and/or at least one enzyme, preferably in a concentration of 0.00001 to 5% by weight; and/or at least one fragrance or perfume and/or at least one fragrance storage substance, preferably in a concentration of 0.0001 to 15% by weight; and/or at least one pH adjuster, e.g.
- washing or cleaning performance is understood to mean the ability of an agent to partially or completely remove existing soiling, in particular the brightening performance of one or more soilings on textiles. The cleaning performance is preferably determined as stated below.
- the washing liquor is understood to mean the use solution containing the washing agent that acts on the textiles or fabrics and thus comes into contact with the soiling present on the textiles or fabrics.
- the wash liquor is usually created when the washing process begins and the detergent is diluted with water, e.g. in a washing machine or in another suitable container.
- the cleaning performance can be determined in a washing system that contains a detergent in a dosage of between 2.0 and 8.0 grams per liter of wash liquor and the peptides to be examined.
- a liquid reference detergent for such a washing system can, for example, be composed as follows (all data in weight percent (wt%)): 4.4% alkylbenzenesulfonic acid, 5.6% other anionic surfactants, 2.4% C 12-18 Na salts of fatty acids (soaps), 4.4% non-ionic surfactants, 0.2% phosphonates, 1.4% citric acid, 0.95% NaOH, 0.01% defoamers, 2% glycerine, 0.08% preservatives, 1% ethanol, remainder demineralized water.
- the dosage of the liquid detergent is preferably between 3.0 and 6.0 grams per liter of washing liquor, for example 3.0, 3.2, 3.5, 3.7, 4.0, 4.5, 4.7, 4.9 or 5.9 grams per liter of washing liquor. Washing is preferably carried out in a pH range between pH 7 and pH 10.5, preferably between pH 8 and pH 9.
- the cleaning performance is determined against a stain on textiles by measuring the degree of cleaning of the washed textiles. For example, the washing process can take place for 60 minutes at a temperature of 40°C and the water can have a water hardness between 15.5°dH and 16.5°dH (German hardness). The degree of whiteness, i.e.
- the lightening of the dirt, as a measure of the cleaning performance is determined using optical measuring methods, preferably photometrically.
- a suitable device for this is, for example, the Minolta CM508d spectrometer.
- the devices used for the measurement are usually calibrated beforehand with a white standard, preferably a white standard supplied.
- Preferred embodiments of agents according to the invention achieve such advantageous cleaning performance even at low temperatures, in particular in the temperature ranges between 10°C and 60°C, preferably between 15°C and 50°C and particularly preferably between 20°C and 40°C.
- Methods and uses Another subject of the invention is a method for cleaning textiles and/or hard surfaces, in particular dishes, which is characterized in that an agent according to the invention is used in at least one method step.
- the method described above is characterized in that it is carried out at a temperature of 0°C to about 100°C, preferably about 20°C to about 60°C, particularly preferably about 20°C to about 40°C.
- 20°C represents low washing temperature
- 40°C is the preferred/average washing temperature in Europe.
- Processes for cleaning textiles are generally characterized by the fact that various cleaning-active substances are applied to the items to be cleaned in several process steps and washed off after the exposure time, or that the items to be cleaned are treated in some other way with a detergent or a solution or dilution of this agent.
- the process preferably relates to a machine washing process, in particular in a washing machine, or a hand washing process.
- the peptide and/or peptide conjugate described here preferably acts as a dirt-repellent and/or dirt-removing active ingredient.
- This subject matter of the invention also includes a machine dishwashing process.
- the agent according to the invention can be dosed into the cleaning liquor in such a process, for example, by means of the dosing chamber in the door or by means of an additional dosing container in the interior of the dishwasher. Alternatively, the agent can also be applied directly to the soiled dishes or to one of the inside walls of the dishwasher, e.g. the inside of the door.
- the method according to the invention is carried out in the interior of a commercially available dishwasher.
- the cleaning program in a dishwasher can usually be selected and set by the consumer before the dishwashing process is carried out.
- the cleaning program of the dishwasher used in the method according to the invention comprises at least one pre-wash cycle and one cleaning cycle.
- cleaning programs are preferred which comprise further cleaning or rinsing cycles, e.g. a final rinse cycle.
- the method according to the invention is particularly preferably part of a cleaning program comprising a pre-wash cycle, a cleaning cycle and a final rinse cycle.
- the method according to the invention is preferably used in conjunction with cleaning programs in which the wash liquor is rinsed in the course of the Cleaning cycle is heated.
- the cleaning cycle during which the agent according to the invention is dosed into the interior of the dishwasher, is characterized in that during its course the temperature of the cleaning liquor rises to values above 30°C, preferably above 40°C and in particular above 50°C.
- Alternative embodiments of this subject matter of the invention also represent methods for treating textile raw materials or for textile care, in which an agent according to the invention becomes active in at least one process step. Among these, methods for textile raw materials, fibers or textiles with natural components are preferred, and very particularly for those with wool or silk.
- Another subject matter of the invention is the use of an agent according to the invention for cleaning textiles and/or hard surfaces, in particular dishes, preferably in a temperature range of about 20°C to about 60°C, particularly preferably about 20°C to about 40°C.
- a further subject matter of the invention is the use of a peptide and/or peptide conjugate described herein in a washing or cleaning agent according to the invention to improve the cleaning performance of the washing or cleaning agent on greasy and/or oily stains, preferably in a temperature range of about 20°C to about 60°C, particularly preferably about 20°C to about 40°C.
- a further subject matter of the invention is the use of a peptide as a dirt-removing and/or dirt-repellent active ingredient in a washing or cleaning agent, preferably textile detergent, wherein the peptide is selected from (A) a peptide with the following amino acid sequence: (C) m X 1 X 2 X 3 (X 4 ) n X 5 (C) O , where X1 is a positively charged amino acid, preferably R or K, more preferably R, X2 and X3 are uncharged amino acids, preferably A, L, S, I, M or Q, more preferably A, S, I or L, particularly preferably A or L, each X 4 independently of one another, any amino acid, preferably with the exception of P, more preferably with the exception of P and G, X 5 is any positively charged or uncharged amino acid, preferably R or an uncharged amino acid, more preferably Q, A or L, particularly preferably A or L, m and o are 0 or 1, where m
- a peptide conjugate as a dirt-removing and/or dirt-repellent active ingredient in a washing or cleaning agent, preferably textile detergents
- the peptide conjugate has the following sequence in N- to C-terminal orientation: (Z 1 ) p (Z 2 ) q (Z 3 ) r (Z 4 ) s (Z 5 ) t (Z 6 ) v (Z 7 ) w
- X1 is a positively charged amino acid, preferably R or K, more preferably R, X2 and X3 are uncharged amino acids, preferably A, L, S,
- the use of the peptide and/or peptide conjugate leads to a dirt-removing and/or dirt-repellent effect, i.e. the peptide and/or peptide conjugate has a dirt-removing and/or dirt-repellent effect on textiles, preferably during the washing or cleaning process, more preferably as a component of a washing or cleaning agent.
- the textiles are freed from dirt and/or protected from renewed dirt deposition by the presence of the peptide and/or peptide conjugate, which preferably binds and/or adheres to textiles, preferably plastic-containing textiles, preferably polyester-containing textiles, or mixed fabrics.
- the dirt-repellent effect of the peptides and/or peptide conjugates is achieved in particular by the adhering peptides and/or peptide conjugates. Peptide conjugates after several washes, since the dirt is less likely to settle on or between the fibers due to the adhering peptides and/or peptide conjugates.
- Example 1 Peptide sequences The peptides according to Table 1 were prepared by chemical synthesis.
- Table 1 Peptide sequences Peptide amino acid sequence SEQ ID NO 1 (PEG)-GGGGS-RSIVTFSLRQNR-GGGGS-(PEG) 41 2 (PEG)-GGGGS-RALQALRALQALEAL-GGGGS-(PEG) 42 3 (PEG)-GGGGS-RALRALQALEALEAL-GGGGS-(PEG) 43 4 NGLLIPQFLVAS-GGGGS-RSIVTFSLRQNR-GGGGS- 44 NGLLIPQFLVAS 5 NGLLIPQFLVAS-GGGGS-RALQALRALQALEAL-GGGGS- 45 NGLLIPQFLVAS 6 NGLLIPQFLVAS-GGGGS-RALRALQALEEALEAL-GGGGS- 46 NGLLIPQFLVAS 7 RSIVTFSLRQNR 25 8 RALQALRALQALEAL 1 9 RALRALRAL
- Peptides 1 to 6 are peptide conjugates comprising (i) a PEG chain or a textile-nonbinding peptide (peptide 10), (ii) a first peptide linker (peptide 11), (iii) a textile-binding peptide (one of peptides 7 to 9), (iv) a second peptide linker (peptide 11), and (v) a PEG chain or a textile-nonbinding peptide (peptide 10).
- Peptides 7 to 9 are textile-binding peptides.
- Peptide 10 is a textile-nonbinding peptide.
- Peptide 11 is a peptide linker.
- Example 2 Adhesion test of peptides on polyester and blended fabrics The adhesion of peptides 7 to 10 according to Table 1 to polyester fabrics (WFK 30A, 100% polyester) and cotton/polyester blended fabrics (WFK 20A, 50% cotton / 50% polyester) was tested.
- Test setup Measurement method with fluorescamine in a 48-well microtiter plate with cloth pads with a diameter of 10 mm. 3 pads per peptide dilution were placed in the 48-well microtiter plate and 0.2 ml of peptide solution (0.02 mg/ml in distilled water) was added to each. It was incubated for 1 h at RT, shaking at 750 rpm.
- fluorescamine binds to the free primary amino group of a peptide. The more peptides are bound to the textile patches, the fewer peptides with free amino groups are present in the supernatant. Since fluorescamine does not show any fluorescence without derivatization, the more fluorescamine-peptide conjugates are present in the supernatant, the higher the fluorescence.
- the measured fluorescence values were converted into adhesion in % as follows: (BA)/A, where B is the measured value for the test sample and A is the measured value for the blank.
- Table 2 shows what percentage of the applied amount (100%) of peptide adheres to the respective textile. The higher the value, the higher the binding affinity.
- Table 2 Adhesion of peptides to test fabric Peptide 7 Peptide 8 Peptide 9 Peptide 10 WFK 20A 97.4% 90.2% 80.7% 0% WFK 30A 89.5% 85.3% 90.7% 0% Peptides 7 to 9 show a high binding affinity, and are therefore textile-binding peptides.
- Peptide 10 shows no binding affinity, and is therefore a textile-non-binding peptide.
- Example 3 Washing test A conventional soil release polymer (poly[terephthalic acid-co-propylene glycol-co-PEG750-monomethyl ether]; 0.25% active substance) (comparative example) or a peptide according to the invention (peptides 1 to 6; 2% by weight of active substance in the formulation) was incorporated into a detergent matrix according to Table 3.
- Table 3 Detergent matrix Chemical name Wt.% Active substance Wt.% Active substance in raw material in formulation Water demin.
- Table 6 Whitening performance ABCDEFG WFK 20A 59.8 59.8 60.3 58.4 62.6 61.5 60.2 WFK 30A 59.2 57.1 58.5 58.7 59.1 60.2 60.3
- the peptides according to the invention lead to a whitening performance that is comparable to the reference sample (A) (peptides 1, 3) or even better (peptides 2, 4, 5, 6), in particular peptides 4 and 5 show an improved whitening performance on mixed fabrics.
- the improved whitening performance shows that the peptides not only contribute to the cleaning performance, but also indicate a dirt-repellent and/or dirt-removing effect.
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
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- Proteomics, Peptides & Aminoacids (AREA)
- Peptides Or Proteins (AREA)
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| DE102023205632.1A DE102023205632A1 (de) | 2023-06-15 | 2023-06-15 | Peptide mit schmutzablösender wirkung für wasch- und reinigungsmittel |
| DE102023205632.1 | 2023-06-15 |
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-
2023
- 2023-06-15 DE DE102023205632.1A patent/DE102023205632A1/de active Pending
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