EP1002041B1 - Oxidoreductase enthaltende reinigungszusammensetzungen - Google Patents

Oxidoreductase enthaltende reinigungszusammensetzungen Download PDF

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Publication number
EP1002041B1
EP1002041B1 EP97933515A EP97933515A EP1002041B1 EP 1002041 B1 EP1002041 B1 EP 1002041B1 EP 97933515 A EP97933515 A EP 97933515A EP 97933515 A EP97933515 A EP 97933515A EP 1002041 B1 EP1002041 B1 EP 1002041B1
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EP
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Prior art keywords
acid
composition according
cleaning composition
alkyl
hydrogen peroxide
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EP97933515A
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English (en)
French (fr)
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EP1002041A1 (de
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Ivan Maurice Alfons Jan Herbots
Alfred Busch
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Procter and Gamble Co
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Procter and Gamble Co
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Classifications

    • 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
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • 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
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2079—Monocarboxylic acids-salts thereof
    • 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
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38654—Preparations containing enzymes, e.g. protease or amylase containing oxidase or reductase
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions

Definitions

  • the present invention relates to cleaning compositions, including laundry, dishwashing, hard surface cleaner, oral/dental cleaning compositions, comprising a surfactant system, an organic acid, a hydrogen peroxide source and a oxidoreductase with an ⁇ / ⁇ -hydrolase fold and a catalytic triad consisting of the amino acid residues serine, histidine and aspartic acid.
  • Performance of a cleaning product, for use in washing or cleaning method is judged by a number of factors, including the ability to remove soils, and the ability to prevent the redeposition of the soils, or the breakdown products of the soils on the articles in the wash.
  • the items can be fabrics, hard surfaces, dishware such as plasticware, glassware or chinaware, teeth and mouth.
  • bleaching agents are compounds which are precursors of hydrogen peroxide which is formed in the course of the washing procedure.
  • Perborates and percarbonates are the most important examples of such hydrogen peroxide precursors.
  • cleaning compositions comprising a surfactant system, an organic acid, a hydrogen peroxide source and an oxidoreductase with an ⁇ / ⁇ -hydrolase fold and a catalytic triad consisting of the amino acid residues serine, histidine and aspartic acid, usually referred to as "non-heme haloperoxidase".
  • the present invention relates to a laundry composition comprising a surfactant system, an organic acid, a hydrogen peroxide source and a non-heme haloperoxidase further providing fabric realistic items cleaning and whitening.
  • the present invention relates to dishwashing or household cleaning compositions comprising a surfactant system, an organic acid, a hydrogen peroxide source and a non-heme haloperoxidase and in a third embodiment, the present invention relates to oral/dental care compositions comprising a surfactant system, an organic acid, a hydrogen peroxide source and a non-heme haloperoxidase.
  • a non-heme haloperoxidase based enzymatic bleach system delivers in a detergent composition, bleach-like benefits in an unexpected broad range of performance areas such as dingy cleaning, whiteness maintenance and stain removal. It has also been found that the cleaning compositions of the present invention provide sanitisation of the treated surfaces. It has been further found the performance of the cleaning compositions of the present invention is enhanced by the addition of another enzymatic bleach system, a conventional activated bleach system, a metallo catalyst based bleach system and/or another detergent enzyme.
  • WO95/27046 discloses antimicrobial compositions comprising a vanadium haloperoxidase, a source of halide and hydrogen peroxide or a source thereof, wherein the vanadium haloperoxidase is a chloroperoxidase obtainable from Curvularia inaequalis.
  • These enzymatic antimicrobial compositions generally comprise from 0.01 to 50% by weight of one or more surfactants.
  • WO96/06909 describes enzymatic, active oxygen-releasing mixtures which might be used as oxidising agents for preparing chemical compounds and in bleaching, cleaning and disinfecting agents.
  • Said mixtures contain oxidoreductase with an ⁇ / ⁇ -hydrolase fold and a catalytic triad consisting of the serine, histidine and aspartic acid amino acids; a hydrogen peroxide source and an aqueous solution of an organic acid or its salt.
  • These organic acids or salts are converted into organic peracids at a pH value from 3.5 to 6.0 and temperature from 15°C to 80°C.
  • an enzymatic bleach system comprising an organic acid, a hydrogen peroxide source and a oxidoreductase with an ⁇ / ⁇ -hydrolase fold and a catalytic triad consisting of the amino acid residues serine, histidine and aspartic acid, in a surfactant-containing cleaning composition, has never been previously recognised.
  • the present invention relates to cleaning compositions, including laundry, dishwashing, hard surface cleaner, oral/dental cleaning compositions having a pH of 7-12, comprising a surfactant system, an organic acid as specified in Claim 1, a hydrogen peroxide source and an oxidoreductase with an ⁇ / ⁇ -hydrolase fold and a catalytic triad consisting of the amino acid residues serine, histidine and aspartic acid.
  • the cleaning compositions of the present invention provide effective and efficient cleaning of coloured and/or everyday body stains and/or soils and sanitisation of the treated surfaces.
  • the present invention relates to laundry detergent compositions providing fabric realistic items cleaning and whitening while avoiding colour fading.
  • Non-heme haloperoxidase enzyme Non-heme haloperoxidase enzyme :
  • An essential component of the cleaning compositions of the invention is an oxidoreductase with an ⁇ / ⁇ -hydrolase fold and a catalytic triad consisting of the amino acid residues serine, histidine and aspartic acid, usually referred to as a non-heme haloperoxidase.
  • the cleaning compositions of the present invention provide effective and efficient cleaning of coloured and everyday body stains and/or soils and in particular provide fabric realistic items cleaning and whitening while avoiding colour fading when formulated as a laundry detergent composition.
  • the cleaning compositions of the present invention provide sanitisation of the treated surfaces.
  • Sanitisation includes all positive effects obtained by the inhibition or reduction of microbial activity on fabrics and other surfaces, such as the prevention of malodour development and bacterial/fungal growth.
  • it provides prevention of malodour development on stored and weared fabrics, on stored dishware, especially plastic kitchen gear and in toilets.
  • the composition of the invention will inhibit or at least reduce the bacterial and/or fungal development on moist fabric waiting for further laundry processing and thereby preventing the formation of malodour.
  • bacterial and/or fungal growth on hard surfaces such as tiles and their silicone joints, sanitary installations, will be prevented.
  • the sanitisation potential of the cleaning compositions of the present invention can be enhanced by the addition of chemical sanitisers such as Triclosan and/or hexemidine.
  • chemical sanitisers such as Triclosan and/or hexemidine.
  • MIC Minimum Inhibitory Concentration
  • the peroxy acids produced in situ by the non-heme haloperoxidase have excellent bleaching performance on a wide range of bleachable substrates including everyday body (dingy soils), coloured stains/soils removal and whitening.
  • the low level of the organic per-acid formed by the activity of the non-heme haloperoxidase on the organic acid brings about the oxidation of the natural and synthetic dyes and of soil components in solution and on surfaces.
  • the coloured plant and fruit stains also contain highly colored colour-bodies associated with cell wall constituents. All these natural dyestuffs are based on highly conjugated poly-aromatic compounds. The colour of these materials fades upon oxidation by the peracid due to disruption of the colour-forming conjugated system in the compound.
  • the body soil removal in the cleaning compositions of the present invnetion is achieved by the oxidation of the body soils componenets by the low level of organic peracid formed by the non-heme haloperoxidase. This oxidation results in the hydrophilic substitution of the body soil component and/or the fragmentation of the body soil component. These mechanisms lead to an enhanced removal of the body soil components from the articles in the wash.
  • the non-heme containing enzymes can be further divided into two classes : eukaryotic haloperoxidases containing vanadium and bacterial non-heme haloperoxidase which require neither metal ions nor any other cofactors ("The non-haem chloroperoxidase from Pseudomonas fluorescens and its relationship to pyrrolnitrin biosynthesis" by S. Kirner at al. Microbiology (1996), 142, 2129-2135).
  • Halogenating enzymes have been extensively studied : "Bacterial haloperoxidase and their role in secondary metabolism” by K.H. van Pée, Biotech. Adv. Vol 8, pp 185-205, 1990 wherein non-heme haloperoxidase from several bacterias are compared in table 2 page 198 - "Biosynthesis of halogenated metabolites by bacteria” by K.H. van Pée, Annu. Rev. Microbiol. 1996, 50:375-99 describing on page 389 vanadium-containing non-heme haloperoxidases and bacterial non-heme haloperoxidases on pages 389-392.
  • Suitable for the purpose of the present invention are enzymes which contain a catalytical triad consisting of aspartate, histidine and serine amino acids, involved in the halogenating enzymatic activity.
  • the first step of the halogenation catalysed by the bacterial non-heme haloperoxidase is the formation of an acetate ester at the serine residue of the catalytical triad. This ester is not hydrolysed by water but by hydrogen peroxide, resulting in the production of a peracetic acid.
  • the peracid acids are capable of oxidising unspecifically bromide, chloride and aromatic amino to nitro groups.
  • the non-heme haloperoxidases lack substrate specificity.
  • Non-heme bromoperoxidase enzymes are producible from Corallina marina algae (JP63 196 295 and JP61 242 577). Suitable non-heme haloperoxidases for the purpose of the present invention can be obtained as listed below:
  • Preferred non-heme haloperoxidases for specific applications are alkaline , i.e. enzymes having an enzymatic activity of at least 10%. preferably at least 25%, more preferably at least 40% of its maximum activity at a pH ranging from 7 to 12. More preferred non-heme haloperoxidases are enzymes having their maximum activity at a pH ranging from 7 to 12.
  • Enzymes homologue to the non-heme haloperoxidase enzymes of the present invention are also contemplated.
  • the term “homologue” is intended to present invention are also contemplated.
  • the term “homologue” is intended to indicate a polypeptide encode by DNA which hybridises to the same probe as the DNA coding for the non-heme haloperoxidase enzyme with this amino acid sequence under certain specific conditions (such as presoaking in 5xSSC and prehybridising for 1 h at ⁇ 40°C in a solution of 20% formamide, 5xDenhardt's solution, 50 mM sodium phosphate, pH 6.8, and 50 ⁇ g of denaturated sonicated calf thymus DNA, followed by hybridisation in the same solution supplemented with 100 ⁇ M ATP for 18 h at ⁇ 40°C).
  • the variant may be designed such that the optimal pH, bleach or chelant stability, catalytic activity and the like, of the enzyme variant is tailored to suit the particular cleaning application.
  • the isoelectric point of such enzymes may be modified by the substitution of some charged amino acids, e.g. an increase in isoelectric point may help to improve compatibility with anionic surfactants.
  • the stability of the enzymes may be further enhanced by the creation of e.g. additional salt bridges and enforcing calcium binding sites to increase chelant stability.
  • a second essential element of the cleaning compositions of the present invention is an organic acid.
  • the organic acid is characterised by a pKa value at 20°C between 2 and 10, preferably between 3 and 9 and more preferably between 3,5 and 8.
  • Suitable acids are listed in CRC Handbook for Chemistry and Physics, D. R. Lide, 71 st Edition, CRC press, section 8, pp35-36.
  • Suitable organic acids are acetic, propionic, butyric, hexanoic, octanoic, decanoic, malic, oxalic, benzoic, citric acids and/or mixtures thereof and/or salts thereof.
  • lactic acids fruitacids, benzoic acids, phtalic acids and/or mixtures thereof and/or salts thereof.
  • the organic acids are generally incorporated into the cleaning compositions of the present invention at a level of from 0.1% to 50%, preferably from 0.5% to 40%, more preferably from 1% to 20% by weight of total composition.
  • the hydrogen peroxide source :
  • a third essential element of the cleaning compositions of the present invention is a source of hydrogen peroxide.
  • Suitable hydrogen peroxide source are any compound or system that can release hydrogen peroxide in the wash solution. Examples are percarbonate, perborate or enzymatic systems generating in situ hydrogen peroxide, such as oxidases.
  • Suitable sources of hydrogen peroxide for the present invention include hydrogen peroxide releasing agents such as hydrogen peroxide, perborates, e.g. perborate monohydrate, perborate tetrahydrate, persulfates, percarbonates, peroxydisulfates, perphosphates, peroxyhydrates and urea hydrogen peroxide.
  • Preferred bleaches are percarbonates and perborates.
  • the process according to the invention may additionally comprise adding an enzymatic system (i.e. an enzyme and a substrate therefore) which is capable of generating hydrogen peroxide during the washing process.
  • an enzymatic system i.e. an enzyme and a substrate therefore
  • One such category of hydrogen peroxide generating systems comprises enzymes which are able to convert molecular oxygen and an organic or inorganic substrate into hydrogen peroxide and the oxidized substrate respectively. These enzymes produce only low levels of hydrogen peroxide, but they may be employed to great advantage in the process of the invention as the presence of oxidase ensures an efficient utilization of the hydrogen peroxide produced.
  • Preferred hydrogen peroxide generating enzymes are those which act on cheap and readily available substrates which may conveniently be included into cleaning compositions.
  • an amine oxidase and an amine for example, one may use an amine oxidase and an amine, an amino acid oxidase and an amino acid, lactate oxidase and lactate, cholesterol oxidase and cholesterol, uric acid oxidase and uric acid, or xanthine oxidase with xanthine.
  • suitable oxidases are urate oxidase, galactose oxidase, alcohol oxidase and amyloglucosidase.
  • the preferred enzymatic systems are alcohol and aldehyde oxidases.
  • the more preferred systems for granular detergent application would have solid alcohols, e.g. glucose whose oxidation is catalysed by glucose oxidase to glucoronic acid with the formation of hydrogen peroxide.
  • Preferred is the combination of glucose oxidase and glucose.
  • the amount of glucosed oxidase will depend on its specific activity and the activity of residual catalase that may be present, but by way of an example it can be stated generally that the detergent composition according to the invention will contain from 10 to 1000, preferably from 20 to 500 units of glucose oxidase per g or ml of the detergent composition, a unit of enzyme activity being defined as the quantity required to convert 1 ⁇ mol substrate per minute under standard conditions.
  • the more preferred systems for liquid detergent application would involve liquid alcohols which could also act as, for example, solvents.
  • An example is ethanol/ethanol oxidase.
  • Such enzymatic systems are disclosed in EP Patent Application EP 537 381 filed October 9, 1991.
  • the hydrogen peroxide is generally present in the wash solution at a level of from 0.0001 - 10 mmoles, preferably 0.0001 - 2 mmoles, more preferably 0.0001 - 0.3 mmoles; maintained preferably with a controlled releasing system.
  • the hydrogen peroxide can be generated by a perborate, percarbonate system, an enzymatic system for generating hydrogen peroxide at a level of 0.1 - 0.2 mmole.
  • a release agent is an agent which releases the incorporated hydrogen peroxide source into the wash environment in a controlled manner.
  • the hydrogen peroxide source can be contained in a granulate.
  • Said granulate may suitably further contain various granulation aids, binders, fillers, plasticizers, lubricants, cores and the like.
  • cellulose e.g. cellulose in fibre or microcrystalline form
  • dextrins e.g. yellow dextrin
  • polyvinylpyrrolidone polyvinylalcohol
  • cellulose derivatives such as CMC, MC, HPC or HPMC
  • gelatin starch sugar
  • salts e.g. sodium sulfate, sodium chloride, calcium sulfate or calcium carbonate
  • titanium dioxide talc and clays
  • the release agent may be, for example, a coating. Said coating protects said granulates (co-granulates) in the wash environment for a certain period of time.
  • the coating will normally be applied to said granulates (co-granulates) in an amount in the range of 1% to 50% by weight (calculated on the basis of the weight of the uncoated, dry granulate), preferably in the range of 5 % to 40 % by weight.
  • the amount of coating to be applied to said granulates will depend to a considerable extent on the nature and composition of the desired coating, and to the kind of protection said coating should offer to said granulates.
  • the thickness of said coating or a multi-layered coating applied onto any of the above granulates may determine the period in which the content of said granulates is released.
  • a possible multi-layered coating may be a coating in which, for example, a fast release coating is coated over a slow release coating.
  • Suitable release coatings are coatings which give rise to release of the contents of the source of peroxide-granulates according to the present invention under the conditions prevailing during the use thereof.
  • melt-coating agents are a preferred class of fast or slow release coating agents which can be used without dilution with water. Reference may be made to Controlled Release Systems : Fabrication Technology, Vol. I, CRC Press, 1988, for further information on slow release coating. Coatings may suitably further comprise substances such as clays (e.g. kaolin), titanium dioxide, pigments, salts (such as calcium carbonate) and the like. The person skilled in the art will be aware of further coating constituents of relevance in the present invention.
  • the hydrogen peroxide source can be incorporated as a dispersion of particles further containing a release agent.
  • the hydrogen peroxide source can be present in a liquid or solid form.
  • suitable particles consist of a porous hydrophobic material (e.g. silica with an average pore diametre of 5.10 -8 m (500 Angstrom) or higher) such as described in EP 583 512 of Surutzidiz A. et al.
  • the release agent might be a coating which protects said particles in the wash cycle for a certain period of time.
  • the coating is preferably a hydrophobic material such as hydrophobic liquid polymer.
  • the Surfactant system The Surfactant system :
  • the cleaning compositions according to the present invention comprise a surfactant system wherein the surfactant can be selected from nonionic and/or anionic and/or cationic and/or ampholytic and/or zwitterionic and/or semi-polar surfactants.
  • the surfactant is typically present at a level of from 0.1% to 60% by weight. More preferred levels of incorporation are 1% to 35% by weight, most preferably from 1% to 30% by weight of cleaning compositions in accord with the invention.
  • the surfactant is preferably formulated to be compatible with enzyme components present in the composition.
  • the surfactant is most preferably formulated such that it promotes, or at least does not degrade, the stability of any enzyme in these compositions.
  • Preferred surfactant systems to be used according to the present invention comprise as a surfactant one or more of the nonionic and/or anionic surfactants described herein.
  • Polyethylene, polypropylene, and polybutylene oxide condensates of alkyl phenols are suitable for. use as the nonionic surfactant of the surfactant systems of the present invention, with the polyethylene oxide condensates being preferred.
  • These compounds include the condensation products of alkyl phenols having an alkyl group containing from 6 to 14 carbon atoms, preferably from 8 to 14 carbon atoms, in either a straight-chain or branched-chain configuration with the alkylene oxide.
  • the ethylene oxide is present in an amount equal to from 2 to 25 moles, more preferably from 3 to 15 moles, of ethylene oxide per mole of alkyl phenol.
  • nonionic surfactants of this type include Igepal TM CO-630, marketed by the GAF Corporation; and Triton TM X-45, X-114, X-100 and X-102, all marketed by the Rohm & Haas Company. These surfactants are commonly referred to as alkylphenol alkoxylates (e.g., alkyl phenol ethoxylates).
  • the condensation products of primary and secondary aliphatic alcohols with from 1 to 25 moles of ethylene oxide are suitable for use as the nonionic surfactant of the nonionic surfactant systems of the present invention.
  • the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from 8 to 22 carbon atoms.
  • nonionic surfactants of this type include Tergitol TM 15-S-9 (the condensation product of C 11 -C 15 linear alcohol with 9 moles ethylene oxide), tergitol TM 24-L-6 NMW (the condensation product of C 12 -C 14 primary alcohol with 6 moles ethylene oxide with a narrow molecular weight distribution), both marketed by Union Carbide Corporation; Neodol TM 45-9 (the condensation product of C 14 -C 15 linear alcohol with 9 moles of ethylene oxide), Neodol TM 23-3 (the condensation product of C 12 -C 13 linear alcohol with 3.0 moles of ethylene oxide), Neodol TM 45-7 (the condensation product of C 14 -C 15 linear alcohol with 7 moles of ethylene oxide), Neodol TM 45-5 (the condensation product of C 14 -C 15 linear alcohol with 5 moles of ethylene oxide) marketed by Shell Chemical Company, Kyro TM EOB (the condensation product of C 13 -C 15 alcohol with 9 moles ethylene oxide), marketed
  • nonionic surfactant of the surfactant systems of the present invention are the alkylpolysaccharides disclosed in U.S. Patent 4,565,647, Lienado, issued January 21, 1986, having a hydrophobic group containing from 6 to 30 carbon atoms, preferably from 10 to 16 carbon atoms and a polysaccharide, e.g. a polyglycoside, hydrophilic group containing from 1.3 to 10, preferably from 1.3 to 3, most preferably from 1.3 to 2.7 saccharide units.
  • Any reducing saccharide containing 5 or 6 carbon atoms can be used, e.g., glucose, galactose and galactosyl moieties can be substituted for the glucosyl moieties (optionally the hydrophobic group is attached at the 2-, 3-, 4-, etc. positions thus giving a glucose or galactose as opposed to a glucoside or galactoside).
  • the intersaccharide bonds can be, e.g., between the one position of the additional saccharide units and the 2-, 3-, 4-, and/or 6- positions on the preceding saccharide units.
  • the preferred alkylpolyglycosides have the formula R 2 O(C n H 2n O) t (glycosyl) x wherein R 2 is selected from the group consisting of alkyl, alkylphenyl, hydroxyalkyl, hydroxyalkylphenyl, and mixtures thereof in which the alkyl groups contain from 10 to 18, preferably from 12 to 14, carbon atoms; n is 2 or 3, preferably 2; t is from 0 to 10, preferably 0; and x is from 1.3 to 10, preferably from 1.3 to 3, most preferably from 1.3 to 2.7.
  • the glycosyl is preferably derived from glucose.
  • the condensation products of ethylene oxide with a hydrophobic base formed by the condensation of propylene oxide with propylene glycol are also suitable for use as the additional nonionic surfactant systems of the present invention.
  • the hydrophobic portion of these compounds will preferably have a molecular weight of from 1500 to 1800 and will exhibit water insolubility.
  • the addition of polyoxyethylene moieties to this hydrophobic portion tends to increase the water solubility of the molecule as a whole, and the liquid character of the product is retained up to the point where the polyoxyethylene content is 50% of the total weight of the condensation product, which corresponds to condensation with up to 40 moles of ethylene oxide.
  • Examples of compounds of this type include certain of the commercially-available Plurafac TM LF404 and Pluronic TM surfactants, marketed by BASF.
  • nonionic surfactant of the nonionic surfactant system of the present invention are the condensation products of ethylene oxide with the product resulting from the reaction of propylene oxide and ethylenediamine.
  • the hydrophobic moiety of these products consists of the reaction product of ethylenediamine and excess propylene oxide, and generally has a molecular weight of from 2500 to 3000. This hydrophobic moiety is condensed with ethylene oxide to the extent that the condensation product contains from 40% to 80% by weight of polyoxyethylene and has a molecular weight of from 5,000 to 11,000.
  • this type of nonionic surfactant include certain of the commercially available Tetronic TM compounds, marketed by BASF.
  • Preferred for use as the nonionic surfactant of the surfactant systems of the present invention are polyethylene oxide condensates of alkyl phenols, condensation products of primary and secondary aliphatic alcohols with from 1 to 25 moles of ethylene oxide, alkylpolysaccharides, and mixtures thereof. Most preferred are C 8 -C 14 alkyl phenol ethoxylates having from 3 to 15 ethoxy groups and C 8 -C 18 alcohol ethoxylates (preferably C 10 avg.) having from 2 to 10 ethoxy groups, and mixtures thereof.
  • Highly preferred nonionic surfactants are polyhydroxy fatty acid amide surfactants of the formula. wherein R 1 is H, or R 1 is C 1-4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl or a mixture thereof, R 2 is C 5-31 hydrocarbyl, and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof.
  • R 1 is methyl
  • R 2 is a straight C 11-15 alkyl or C 16-18 alkyl or alkenyl chain such as coconut alkyl or mixtures thereof
  • Z is derived from a reducing sugar such as glucose, fructose, maltose, lactose, in a reductive amination reaction.
  • Suitable anionic surfactants to be used are linear alkyl benzene sulfonate, alkyl ester sulfonate surfactants including linear esters of C 8 -C 20 carboxylic acids (i.e., fatty acids) which are sulfonated with gaseous SO 3 according to "The Journal of the American Oil Chemists Society", 52 (1975), pp. 323-329.
  • Suitable starting materials would include natural fatty substances as derived from tallow, palm oil, etc.
  • the preferred alkyl ester sulfonate surfactant especially for laundry applications, comprise alkyl ester sulfonate surfactants of the structural formula: wherein R 3 is a C 8 -C 20 hydrocarbyl, preferably an alkyl, or combination thereof, R 4 is a C 1 -C 6 hydrocarbyl, preferably an alkyl, or combination thereof, and M is a cation which forms a water soluble salt with the alkyl ester sulfonate.
  • Suitable salt-forming cations include metals such as sodium, potassium, and lithium, and substituted or unsubstituted ammonium cations, such as monoethanolamine, diethanolamine, and triethanolamine.
  • R 3 is C 10 -C 18 alkyl
  • R 4 is methyl, ethyl or isopropyl.
  • methyl ester sulfonates wherein R 3 is C 10 -C 16 alkyl.
  • alkyl sulfate surfactants which are water soluble salts or acids of the formula ROSO 3 M wherein R preferably Is a C 10 -C 24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a C 10 -C 20 alkyl component, more preferably a C 12 -C 18 alkyl or hydroxyalkyl, and M is H or a cation, e.g., an alkali metal cation (e.g. sodium, potassium, lithium), or ammonium or substituted ammonium (e.g.
  • R preferably Is a C 10 -C 24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a C 10 -C 20 alkyl component, more preferably a C 12 -C 18 alkyl or hydroxyalkyl
  • M is H or a cation, e.g., an alkali metal cation (e.g. sodium, potassium, lithium), or ammonium or substitute
  • alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like.
  • alkyl chains of C 12 -C 16 are preferred for lower wash temperatures (e.g. below 50°C) and C 16-18 alkyl chains are preferred for higher wash temperatures (e.g. above 50°C).
  • anionic surfactants useful for detersive purposes can also be included in the cleaning compositions of the present invention.
  • These can include salts (including, for example, sodium, potassium, ammonium, and substituted ammonium salts such as mono-, di- and triethanolamine salts) of soap, C 8 -C 22 primary of secondary alkanesulfonates, C 8 -C 24 olefinsulfonates, sulfonated polycarboxylic acids prepared by sulfonation of the pyrolyzed product of alkaline earth metal citrates, e.g., as described in British patent specification No.
  • alkylpolyglycolethersulfates (containing up to 10 moles of ethylene oxide); alkyl glycerol sulfonates, fatty acyl glycerol sulfonates, fatty oleyl glycerol sulfates, alkyl phenol ethylene oxide ether sulfates, paraffin sulfonates, alkyl phosphates, isethionates such as the acyl isethionates, N-acyl taurates, alkyl succinamates and sulfosuccinates, monoesters of sulfosuccinates (especially saturated and unsaturated C 12 -C 18 monoesters) and diesters of sulfosuccinates (especially saturated and unsaturated C 6 -C 12 diesters), acyl sarcosinates, sulfates of alkylpolysaccharides such as the sul
  • laundry detergent compositions of the present invention typically comprise from about 1% to about 40%, preferably from about 3% to about 20% by weight of such anionic surfactants.
  • alkyl alkoxylated sulfate surfactants hereof are water soluble salts or acids of the formula RO(A) m SO3M wherein R is an unsubstituted C 10 -C 24 alkyl or hydroxyalkyl group having a C 10 -C 24 alkyl component, preferably a C 12 -C 20 alkyl or hydroxyalkyl, more preferably C 12 -C 18 alkyl or hydroxyalkyl, A is an ethoxy or propoxy unit, m is greater than zero, typically between 0.5 and 6, more preferably between 0.5 and 3, and M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, calcium, magnesium, etc.), ammonium or substituted-ammonium cation.
  • R is an unsubstituted C 10 -C 24 alkyl or hydroxyalkyl group having a C 10 -C 24 alkyl component, preferably a C 12
  • Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are contemplated herein.
  • Specific examples of substituted ammonium cations include methyl-, dimethyl, trimethyl-ammonium cations and quaternary ammonium cations such as tetramethyl-ammonium and dimethyl piperdinium cations and those derived from alkylamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like.
  • Exemplary surfactants are C 12 -C 18 alkyl polyethoxylate (1.0) sulfate (C 12 -C 18 E(1.0)M), C 12 -C 18 alkyl polyethoxylate (2.25) sulfate (C 12 -C 18 E(2.25)M), C 12 -C 18 alkyl polyethoxylate (3.0) sulfate (C 12 -C 18 E(3.0)M), and C 12 -C 18 alkyl polyethoxylate (4.0) sulfate (C 12 -C 18 E(4.0)M), wherein M is conveniently selected from sodium and potassium.
  • the cleaning compositions of the present invention may also contain cationic, ampholytic, zwitterionic, and semi-polar surfactants, as well as the nonionic and/or anionic surfactants other than those already described herein.
  • Cationic detersive surfactants suitable for use in the cleaning compositions of the present invention are those having one long-chain hydrocarbyl group.
  • cationic surfactants include the ammonium surfactants such as alkyltrimethylammonium halogenides, and those surfactants having the formula: [R 2 (OR 3 ) y ][R 4 (OR 3 ) y ] 2 R 5 N+x- wherein R 2 is an alkyl or alkyl benzyl group having from 8 to 18 carbon atoms in the alkyl chain, each R 3 is selected from the group consisting of -CH 2 CH 2 -, -CH 2 CH(CH 3 )-, -CH 2 CH(CH 2 OH)-, -CH 2 CH 2 CH 2 -, and mixtures thereof; each R 4 is selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 hydroxyalkyl, benzyl ring structures formed by joining the two R 4 groups, -CH 2 CH
  • Quaternary ammonium surfactant suitable for the present invention has the formula (I): whereby R1 is a short chainlength alkyl (C6-C10) or alkylamidoalkyl of the formula (II): y is 2-4, preferably 3. whereby R2 is H or a C1-C3 alkyl, whereby x is 0-4, preferably 0-2, most preferably 0, whereby R3, R4 and R5 are either the same or different and can be either a short chain alkyl (C1-C3) or alkoxylated alkyl of the formula III, whereby X- is a counterion, preferably a halide, e.g. chloride or methylsulfate.
  • R6 is C 1 -C 4 and z is 1 or 2.
  • Highly preferred cationic surfactants are the water-soluble quaternary ammonium compounds useful in the present composition having the formula : R 1 R 2 R 3 R 4 N + x - wherein R 1 is C 8 -C 16 alkyl, each of R 2 , R 3 and R 4 is independently C 1 -C 4 alkyl, C 1 -C 4 hydroxy alkyl, benzyl, and -(C 2 H 40 ) x H where x has a value from 2 to 5, and X is an anion. Not more than one of R 2 , R 3 or R 4 should be benzyl.
  • the preferred alkyl chain length for R 1 is C 12 -C 15 particularly where the alkyl group is a mixture of chain lengths derived from coconut or palm kernel fat or is derived synthetically by olefin build up or OXO alcohols synthesis.
  • Preferred groups for R 2 R 3 and R 4 are methyl and hydroxyethyl groups and the anion X may be selected from halide, methosulphate, acetate and phosphate ions. Examples of suitable quaternary ammonium compounds of formulae (i) for use herein are:
  • Typical cationic fabric softening components include the water-insoluble quaternary-ammonium fabric softening actives or thei corresponding amine precursor, the most commonly used having been di-long alkyl chain ammonium chloride or methyl sulfate.
  • Preferred cationic softeners among these include the following:
  • Biodegradable quaternary ammonium compounds have been presented as alternatives to the traditionally used di-long alkyl chain ammonium chlorides and methyl sulfates. Such quaternary ammonium compounds contain long chain alk(en)yl groups interrupted by functional groups such as carboxy groups. Said materials and fabric softening compositions containing them are disclosed in numerous publications such as EP-A-0,040,562, and EP-A-0,239,910.
  • the quaternary ammonium compounds and amine precursors herein have the formula (I) or (II), below: wherein Q is selected from -O-C(O)-, -C(O)-O-, -O-C(O)-O-, -NR 4 -C(O)-, -C(O)-NR 4 -; R 1 is (CH 2 ) n -Q-T 2 or T 3 ; R 2 is (CH 2 ) m -Q-T 4 or T 5 or R 3 ; R 3 is C 1 -C 4 alkyl or C 1 -C 4 hydroxyalkyl or H; R 4 is H or C 1 -C 4 alkyl or C 1 -C 4 hydroxyalkyl; T 1 , T 2 , T 3 , T 4 , T 5 are independently C 11 -C 22 alkyl or alkenyl; n and m are integers from 1 to 4; and X - is a softener-compatible anion.
  • Non-limiting examples of softener-compatible anions include chloride or methyl sulfate.
  • the alkyl, or alkenyl, chain T 1 , T 2 , T 3 , T 4 , T 5 must contain at least 11 carbon atoms, preferably at least 16 carbon atoms.
  • The-chain may be straight or branched.
  • Tallow is a convenient and inexpensive source of long chain alkyl and alkenyl material.
  • the compounds wherein T 1 , T 2 , T 3 , T 4 , T 5 represents the mixture of long chain materials typical for tallow are particularly preferred.
  • Specific examples of quaternary ammonium compounds suitable for use in the aqueous fabric softening compositions herein include :
  • the cleaning compositions of the present invention typically comprise from 0.2% to 25%, preferably from 1% to 8% by weight of such cationic surfactants.
  • Ampholytic surfactants are also suitable for use in the cleaning compositions of the present invention. These surfactants can be broadly described as aliphatic derivatives of secondary or tertiary amines, or aliphatic derivatives of heterocyclic secondary and tertiary amines in which the aliphatic radical can be straight- or branched-chain.
  • One of the aliphatic substituents contains at least 8 carbon atoms, typically from 8 to 18 carbon atoms, and at least one contains an anionic water-solubilizing group, e.g. carboxy, sulfonate, sulfate. See U.S. Patent No. 3,929,678 to Laughlin et al., issued December 30, 1975 at column 19, lines 18-35, for examples of ampholytic surfactants.
  • the cleaning compositions of the present invention typically comprise from 0.2% to 15%, preferably from 1% to 10% by weight of such ampholytic surfactants,
  • Zwitterionic surfactants are also suitable for use in cleaning compositions. These surfactants can be broadly described as derivatives of secondary and tertiary amines, derivatives of heterocyclic secondary and tertiary amines, or derivatives of quaternary ammonium, quaternary phosphonium or tertiary sulfonium compounds. See U.S. Patent No. 3,929,678 to Laughlin et al., issued December 30, 1975 at column 19, line 38 through column 22, line 48, for examples of zwitterionic surfactants.
  • the cleaning compositions of the present invention typically comprise from 0.2% to 15%, preferably from 1 % to 10% by weight of such zwitterionic surfactants.
  • Semi-polar nonionic surfactants are a special category of nonionic surfactants which include water-soluble amine oxides containing one alkyl moiety of from 10 to 18 carbon atoms and 2 moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups containing from 1 to 3 carbon atoms; water-soluble phosphine oxides containing one alkyl moiety of from 10 to 18 carbon atoms and 2 moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups containing from 1 to 3 carbon atoms; and water-soluble sulfoxides containing one alkyl moiety of from 10 to 18 carbon atoms and a moiety selected from the group consisting of alkyl and hydroxyalkyl moieties of from 1 to 3 carbon atoms.
  • Semi-polar nonionic detergent surfactants include the amine oxide surfactants having the formula wherein R 3 is an alkyl, hydroxyalkyl, or alkyl phenyl group or mixtures therof containing from 8 to 22 carbon atoms; R 4 is an alkylene or hydroxyalkylene group containing from 2 to 3 carbon atoms or mixtures thereof; x is from 0 to 3; and each R 5 is an alkyl or hydroxyalkyl group containing from 1 to 3 carbon atoms or a polyethylene oxide group containing from 1 to 3 ethylene oxide groups.
  • the R 5 groups can be attached to each other, e.g., through an oxygen or nitrogen atom, to form a ring structure.
  • amine oxide surfactants in particular include C 10 -C 18 alkyl dimethyl amine oxides and C 8 -C 12 alkoxy ethyl dihydroxy ethyl amine oxides.
  • the cleaning compositions of the present invention typically comprise from 0.2% to 15%, preferably from 1 % to 10% by weight of such semi-polar nonionic surfactants.
  • the cleaning composition of the present invention may further comprise a cosurfactant selected from the group of primary or tertiary amines.
  • Suitable primary amines for use herein include amines according to the formula R 1 NH 2 wherein R 1 is a C 6 -C 12 , preferably C 6 -C 10 alkyl chain or R 4 X(CH 2 ) n , X is -O-,-C(O)NH- or -NH- R 4 is a C 6 -C 12 alkyl chain n is between 1 to 5, preferably 3.
  • R 1 alkyl chains may be straight or branched and may be interrupted with up to 12, preferably less than 5 ethylene oxide moieties.
  • Preferred amines according to the formula herein above are n-alkyl amines.
  • Suitable amines for use herein may be selected from 1-hexylamine, 1-octylamine, 1-decylamine and laurylamine.
  • Other preferred primary amines include C8-C10 oxypropylamine, octyloxypropylamine, 2-ethylhexyloxypropylamine, lauryl amido propylamine and amido propylamine.
  • Suitable tertiary amines for use herein include tertiary amines having the formula R 1 R 2 R 3 N wherein R1 and R2 are C 1 -C 8 alkylchains or R 3 is either a C 6 -C 12, preferably C 6 -C 10 alkyl chain, or R 3 is R 4 X(CH 2 ) n . whereby X is -O-, -C(O)NH- or -NH-, R 4 is a C 4 -C 12 , n is between 1 to 5, preferably 2-3.
  • R 5 is H or C 1 -C 2 alkyl and x is between 1 to 6 .
  • R 3 and R 4 may be linear or branched ; R 3 alkyl chains may be interrupted with up to 12, preferably less than 5, ethylene oxide moieties.
  • Most preferred amines of the present invention include 1-octylamine, 1-hexylamine, 1-decylamine, 1-dodecylamine,C8-10oxypropylamine, N coco 1-3diaminopropane, coconutalkyldimethylamine, lauryldimethylamine, lauryl bis(hydroxyethyl)amine, coco bis(hydroxyehtyl)amine, lauryl amine 2 moles propoxylated, octyl amine 2 moles propoxylated, lauryl amidopropyldimethylamine, C8-10 amidopropyldimethylamine and C10 amidopropyldimethylamine.
  • the most preferred amines for use in the compositions herein are 1-hexylamine, 1-octylamine, 1-decylamine, 1-dodecylamine. Especially desirable are n-dodecyldimethylamine and bishydroxyethylcoconutalkylamine and oleylamine 7 times ethoxylated, lauryl amido propylamine and cocoamido propylamine.
  • the cleaning compositions of the invention may also contain additional detergent components.
  • additional detergent components The precise nature of these additional components, and levels of incorporation thereof will depend on the physical form of the composition, and the nature of the cleaning operation for which it is to be used.
  • the cleaning compositions according to the invention can be liquid, paste, gels, bars, tablets, spray, foam, powder or granular forms.
  • Granular compositions can also be in "compact” form, the liquid compositions can also be in a "concentrated” form.
  • compositions of the invention may for example, be formulated as hand and machine dishwashing compositions, hand and machine laundry detergent compositions including laundry additive compositions and compositions suitable for use in the soaking and/or pretreatment of stained fabrics, rinse added fabric softener compositions, and compositions for use in general household hard surface cleaning operations.
  • Compositions containing such non-heme haloperoxidase can also be formulated as oral /dental care compositions.
  • compositions of the invention When formulated as compositions for use in manual dishwashing methods the compositions of the invention preferably contain a surfactant and preferably other detergent compounds selected from organic polymeric compounds, suds enhancing agents, group II metal ions, solvents, hydrotropes and additional enzymes.
  • a surfactant preferably other detergent compounds selected from organic polymeric compounds, suds enhancing agents, group II metal ions, solvents, hydrotropes and additional enzymes.
  • compositions suitable for use in a laundry machine washing method preferably contain both a surfactant and a builder compound and additionally one or more detergent components preferably selected from organic polymeric compounds, bleaching agents, additional enzymes, suds suppressors, dispersants, lime-soap dispersants, soil suspension and anti-redeposition agents and corrosion inhibitors.
  • Laundry compositions can also contain softening agents, as additional detergent components.
  • Such compositions containing a surfactant system and a non-heme haloperoxidase can provide fabric cleaning, stain removal, whiteness maintenance, softening, color appearance and dye transfer inhibition when formulated as laundry detergent compositions.
  • compositions of the invention can also be used as detergent additive products. Such additive products are intended to supplement or boost the performance of conventional detergent compositions.
  • the density of the laundry detergent compositions herein ranges from 400 to 1200 g/litre, preferably 600 to 950 g/litre of composition measured at 20°C.
  • compositions herein are best reflected by density and, in terms of composition, by the amount of inorganic filler salt; inorganic filler salts are conventional ingredients of detergent compositions in powder form; in conventional detergent compositions, the filler salts are present in substantial amounts, typically 17-35% by weight of the total composition. In the compact compositions, the filler salt is present in amounts not exceeding 15% of the total composition, preferably not exceeding 10%, most preferably not exceeding 5% by weight of the composition.
  • the inorganic filler salts, such as meant in the present compositions are selected from the alkali and alkaline-earth-metal salts of sulphates and chlorides. A preferred filler salt is sodium sulphate.
  • Liquid detergent compositions according to the present invention can also be in a "concentrated form", in such case, the liquid detergent compositions according the present invention will contain a lower amount of water, compared to conventional liquid detergents.
  • the water content of the concentrated liquid detergent is preferably less than 40%, more preferably less than 30%, most preferably less than 20% by weight of the detergent composition.
  • the cleaning compositions can in addition to the non-heme haloperoxidase enzyme further comprise one or more enzymes which provide cleaning performance and/or fabric care benefits. It has been found that the combination of the non-heme haloperoxidase with detergent enzyme provides improved cleaning of coloured and/or everyday body stains and/or soils and when formulated as laundry composition, improved fabric realistic items cleaning and whitening.
  • Said enzymes include enzymes selected from cellulases, hemicellulases, peroxidases, proteases, gluco-amylases, amylases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, keratanases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ⁇ -glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase or mixtures thereof.
  • the cellulases usable in the present invention include both bacterial or fungal cellulases. Preferably, they will have a pH optimum of between 5 and 12 and an activity above 50 CEVU (Cellulose Viscosity Unit). Suitable cellulases are disclosed in U.S. Patent 4,435,307, Barbesgoard et al, J61078384 and WO96/02653 which discloses fungal cellulase produced respectively from Humicola insolens, Trichoderma, Thielavia and Sporotrichum. EP 739 982 describes cellulases isolated from novel Bacillus species.
  • Suitable ceHulases are cellulases originated from Humicola insolens having a molecular weight of 50KDa, an isoelectric point of 5.5 and containing 415 amino acids; and a ⁇ 43kD endoglucanase derived from Humicola insolens, DSM 1800, exhibiting cellulase activity; a preferred endoglucanase component has the amino acid sequence disclosed in PCT Patent Application No. WO 91/17243.
  • suitable cellulases are the EGIII cellulases from Trichoderma longibrachiatum described in WO94/21801, Genencor, published September 29, 1994. Especially suitable cellulases are the cellulases having color care benefits.
  • Suitable lipase enzymes for detergent usage include those produced by microorganisms of the Pseudomonas group, such as Pseudomonas stutzeri ATCC 19.154, as disclosed in British Patent 1,372,034.
  • Suitable lipases include those which show a positive immunological cross-reaction with the antibody of the lipase, produced by the microorganism Pseudomonas fluorescent IAM 1057. This lipase is available from Amano Pharmaceutical Co. Ltd., Nagoya, Japan, under the trade name Lipase P "Amano,” hereinafter referred to as "Amano-P".
  • lipases include Amano-CES, lipases ex Chromobacter viscosum, e.g. Chromobacter viscosum var. lipolyticum NRRLB 3673 from Toyo Jozo Co., Tagata, Japan; Chromobacter viscosum lipases from U.S. Biochemical Corp., U.S.A. and Disoynth Co., The Netherlands, and lipases ex Pseudomonas gladioli.
  • lipases such as M1 Lipase R and Lipomax R (Gist-Brocades) and Lipolase R and Lipolase Ultra R (Novo) which have found to be very effective when used in combination with the compositions of the present invention.
  • lipolytic enzymes described in EP 258 068, WO 92/05249 and WO 95/22615 by Novo Nordisk and in WO 94/03578, WO 95/35381 and WO 96/00292 by Unilever.
  • cutinases [EC 3.1.1.50] which can be considered as a special kind of lipase, namely lipases which do not require interfacial activation. Addition of cutinases to detergent compositions have been described in e.g. WO-A-88/09367 (Genencor); WO 90/09446 (Plant Genetic System) and WO 94/14963 and WO 94/14964 (Unilever).
  • the lipases and/or cutinases are normally incorporated in the detergent composition at levels from 0.0001% to 2% of active enzyme by weight of the detergent composition.
  • Suitable proteases are the subtilisins which are obtained from particular strains of B. subtilis and B. licheniformis (subtilisin BPN and BPN').
  • One suitable protease is obtained from a strain of Bacillus, having maximum activity throughout the pH range of 8-12, developed and sold as ESPERASE® by Novo Industries A/S of Denmark, hereinafter "Novo". The preparation of this enzyme and analogous enzymes is described in GB 1,243,784 to Novo.
  • Other suitable proteases include ALCALASE®, DURAZYM® and SAVINASE® from Novo and MAXATASE®, MAXACAL®, PROPERASE® and MAXAPEM® (protein engineered Maxacal) from Gist-Brocades.
  • Proteolytic enzymes also encompass modified bacterial serine proteases, such as those described in European Patent Application Serial Number 87 303761.8, filed April 28, 1987 (particularly pages 17, 24 and 98), and which is called herein "Protease B", and in European Patent Application 199,404, Venegas, published October 29, 1986, which refers to a modified bacterial serine protealytic enzyme which is called "Protease A” herein.
  • Protease C is a variant of an alkaline serine protease from Bacillus in which lysine replaced arginine at position 27, tyrosine replaced valine at position 104, serine replaced asparagine at position 123, and alanine replaced threonine at position 274.
  • Protease C is described in EP 90915958:4, corresponding to WO 91/06637. Published May 16, 1991. Genetically modified variants, particularly of Protease C, are also included herein.
  • a preferred protease referred to as "Protease D” is a carbonyl hydrolase variant having an amino acid sequence not found in nature, which is derived from a precursor carbonyl hydrolase by substituting a different amino acid for a plurality of amino acid residues at a position in said carbonyl hydrolase equivalent to position +76, preferably also in combination with one or more amino acid residue positions equivalent to those selected from the group consisting of +99, +101, +103, +104, +107, +123, +27, +105, +109, +126, +128, +135, +156, +166, +195, +197, +204, +206, +210, +216, +217, +218, +222, +260, +265, and/or +274 according to the numbering of Bacillus amyloliquefaciens subtilisin, as described in WO95/10591 and in the patent application of C.
  • protease having decreased adsorption and increased hydrolysis is available as described in WO 95/07791 to Procter & Gamble.
  • a recombinant trypsin-like protease for detergents suitable herein is described in WO 94/25583 to Novo.
  • Other suitable proteases are described in EP 516 200 by Unilever.
  • the proteolytic enzymes are incorporated in the detergent compositions of the present invention a level of from 0.0001% to 2%, preferably from 0.001% to 0.2%, more preferably from 0.005% to 0.1% pure enzyme by weight of the composition.
  • Amylases can be included for removal of carbohydrate-based stains.
  • WO94/02597 Novo Nordisk A/S published February 03, 1994, describes cleaning compositions which incorporate mutant amylases. See also WO95/10603, Novo Nordisk A/S, published April 20, 1995.
  • Other amylases known for use in cleaning compositions include both ⁇ - and ⁇ -amylases.
  • ⁇ -Amylases are known in the art and include those disclosed in US Pat. no. 5,003,257; EP 252,666; WO/91/00353; FR 2,676,456; EP 285,123; EP 525,610; EP 368,341; and British Patent specification no. 1,296,839 (Novo).
  • amylases are stability-enhanced amylases described in WO94/18314, published August 18, 1994 and WO96/05295, Genencor, published February 22, 1996 and amylase variants having additional modification in the immediate parent available from Novo Nordisk A/S, disclosed in WO 95/10603, published April 95.
  • Examples of commercial ⁇ -amylases products are Purafect Ox Am® from Genencor and Termamyl®, Ban® ,Fungamyl® and Duramyl®, all available from Novo Nordisk A/S Denmark.
  • amylolytic enzymes are incorporated in the detergent compositions of the present invention a level of from 0.0001% to 2%, preferably from 0.00018% to 0.06%, more preferably from 0.00024% to 0.048% pure enzyme by weight of the composition.
  • the above-mentioned enzymes may be of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin. Origin can further be mesophilic or extremophilic (psychrophilic, psychrotrophic, thermophilic, barophilic, alkalophilic, acidophilic, halophilic, etc.). Purified or non-purified forms of these enzymes may be used. Also included by definition, are mutants of native enzymes. Mutants can be obtained e.g. by protein and/or genetic engineering, chemical and/or physical modifications of native enzymes. Common practice as well is the expression of the enzyme via host organisms in which the genetic material responsible for the production of the enzyme has been cloned.
  • Said enzymes are normally incorporated in the detergent composition at levels from 0.0001% to 2% of active enzyme by weight of the detergent composition.
  • the enzymes can be added as separate single ingredients (prills, granulates, stabilized liquids, etc... containing one enzyme ) or as mixtures of two or more enzymes ( e.g. cogranulates).
  • enzyme oxidation scavengers which are described in Copending European Patent application EP 553 607 filed on January 31, 1992.
  • enzyme oxidation scavengers are ethoxylated tetraethylene polyamines.
  • a range of enzyme materials and means for their incorporation into synthetic detergent compositions is also disclosed in WO 9307263 A and WO 9307260 A to Genencor International, WO 8908694 A to Novo, and U.S. 3,553,139, January 5, 1971 to McCarty et al. Enzymes are further disclosed in U.S. 4,101,457, Place et al, July 18, 1978, and in U.S. 4,507,219, Hughes, March 26, 1985. Enzyme materials useful for liquid detergent formulations, and their incorporation into such formulations, are disclosed in U.S. 4,261,868, Hora et al, April 14, 1981. Enzymes for use in detergents can be stabilised by various techniques.
  • Enzyme stabilisation techniques are disclosed and exemplified in U.S. 3,600,319, August 17, 1971, Gedge et al, EP 199,405 and EP 200,586, October 29, 1986, Venegas. Enzyme stabilisation systems are also described, for example, in U.S. 3,519,570. A useful Bacillus, sp. AC13 giving proteases, xylanases and cellulases, is described in WO 9401532 A to Novo.
  • Preferred additional optional detergent ingredients that can be included in the cleaning compositions of the present invention include conventional activated-, other enzymatic- and/or metallo catalyst-bleach systems. It has been found that the combination of the non-heme haloperoxidase with another bleach system provides improved cleaning of coloured and/or everyday body stains and/or soils and when formulated as laundry composition, improved fabric realistic items cleaning and whitening.
  • the bleaching agent component for use herein can be any of the bleaching agents useful for cleaning compositions including oxygen bleaches as well as others known in the art.
  • the bleaching agent suitable for the present invention can be an activated or non-activated bleaching agent.
  • Bleaching agents are such as hydrogen peroxide, PB1, PB4 and percarbonate with a particle size of 400-800 microns.
  • These bleaching agent components can include one or more oxygen bleaching agents and, depending upon the bleaching agent chosen, one or more bleach activators. When present oxygen bleaching compounds will typically be present at levels of from 1% to 25%.
  • acylated citrate esters such as disclosed in Copending European Patent Application EP 624 154 and unsymetrical acyclic imide bleach activator of the following formula as disclosed in the Procter & Gamble co-pending patent application WO 98/04664: wherein R 1 is a C 7 -C 13 linear or branched chain saturated or unsaturated alkyl group, R 2 is a C 1 -C 8 , linear or branched chain saturated or unsaturated alkyl group and R 3 is a C 1 -C 4 linear or branched chain saturated or unsaturated alkyl group.
  • oxygen bleaching agent that can be used encompasses percarboxylic acid bleaching agents and salts thereof. Suitable examples of this class of agents include magnesium monoperoxyphthalate hexahydrate, the magnesium salt of meta-chloro perbenzoic acid, 4-nonylamino-4-oxoperoxybutyric acid and diperoxydodecanedioic acid.
  • Such bleaching agents are disclosed in U.S. Patent 4,483,781, U.S. Patent Application 740,446, European Patent Application 0,133,354 and U.S. Patent 4,412,934.
  • Highly preferred bleaching agents also include 6-nonylamino-6-oxoperoxycaproic acid as described in U.S. Patent 4,634,551.
  • bleaching agents that can be used encompasses the halogen bleaching agents.
  • hypohalite bleaching agents include trichloro isocyanuric acid and the sodium and potassium dichloroisocyanurates and N-chloro and N-bromo alkane sulphonamides. Such materials are normally added at 0.5-10% by weight of the finished product, preferably 1-5% by weight.
  • bleaching agents including peroxyacids and bleaching systems comprising bleach activators and peroxygen bleaching compounds for use in detergent compositions according to the invention are described in our co-pending applications WO95/10592, WO97/00937, WO95/27772, WO95/27773, WO95/27774 and WO95/27775.
  • the hydrogen peroxide may also be present by adding an enzymatic system (i.e. an enzyme and a substrate therefore) which is capable of generating hydrogen peroxide at the beginning or during the washing and/or rinsing process.
  • an enzymatic system i.e. an enzyme and a substrate therefore
  • Such enzymatic systems are disclosed in EP Patent Application EP 537 381 filed October 9, 1991.
  • Peroxidase enzymes are used in combination with hydrogen peroxide, oxygen sources, e.g. percarbonate, perborate, persulfate, hydrogen peroxide, etc. and a bleach enhancer. They are used for "solution bleaching", i.e. to prevent transfer of dyes or pigments removed from substrates during wash operations to other substrates In the wash solution.
  • Peroxidase enzymes are known in the art, and include, for example, horseradish peroxidase, ligninase and haloperoxidase such as chloro- and bromo-peroxidase.
  • Peroxidase-containing detergent compositions are disclosed, for example, in PCT International Application WO 89/099813, WO89/09813 and in European Patent application EP 540 784 filed on November 6, 1991. Also suitable is the laccase enzyme. Enhancers are generally comprised at a level of from 0.1% to 5% by weight of total composition.
  • Preferred enhancers are substitued phenthiazine and phenoxasine 10-Phenothiazinepropionicacid (PPT), 10-ethylphenothiazine-4-carboxylic acid (EPC), 10-phenoxazinepropionic acid (POP) and 10-methylphenoxazine (described in WO 94/12621) and substitued syringates (C3-C5 substitued alkyl syringates) and phenols.
  • Sodium percarbonate or perborate are preferred sources of hydrogen peroxide.
  • Said peroxidases are normally incorporated in the detergent composition at levels from 0.0001% to 2% of active enzyme by weight of the detergent composition.
  • Metal-containing catalysts for use in bleach compositions include cobalt-containing catalysts such as Pentaamine acetate cobalt(III) salts and manganese-containing catalysts such as those described in EPA 549 271; EPA 549 272; EPA 458 397; US 5,246,621; EPA 458 398; EPA 458 397; US 5,194,416 and US 5,114,611.
  • Bleaching composition comprising a peroxy compound, a manganese-containing bleach catalyst and a chelating agent is described in the patent application EP 718 398.
  • Preferred metal-contaning catalyst for the purpose of the present invention is a transition metal complex of a macropolycyclic rigid ligand.
  • the phrase "macropolycyclic rigid ligand” is sometimes abbreviated as "MRL” in discussion below.
  • the amount used is a catalytically effective amount, suitably about 1 ppb or more, for example up to about 99.9%, more typically about 0.001 ppm or more, preferably from about 0.05 ppm to about 500 ppm (wherein “ppb” denotes parts per billion by weight and “ppm” denotes parts per million by weight).
  • Suitable transition metals e.g., Mn are illustrated hereinafter.
  • Macropolycyclic means a MRL is both a macrocycle and is polycyclic.
  • Polycyclic means at least bicyclic.
  • rigid as used herein herein includes “having a superstructure” and “cross-bridged”. "Rigid” has been defined as the constrained converse of flexibility: see D.H. Busch., Chemical Reviews., (1993), 93 , 847-860, incorporated by reference. More particularly, "rigid” as used herein means that the MRL must be determinably more rigid than a macrocycle ("parent macrocycle") which is otherwise identical (having the same ring size and type and number of atoms in the main ring) but lacking a superstructure (especially linking moieties or, preferably cross-bridging moieties) found in the MRL's.
  • parent macrocycle which is otherwise identical (having the same ring size and type and number of atoms in the main ring) but lacking a superstructure (especially linking moieties or, preferably cross-bridging moieties) found in the MRL's.
  • Preferred MRL's herein are a special type of ultra-rigid ligand which is cross-bridged.
  • a "cross-bridge” is nonlimitingly illustrated in 1.11 hereinbelow. In 1.11, the cross-bridge is a -CH 2 CH 2 - moiety. It bridges N 1 and N 8 in the illustrative structure. By comparison, a "same-side" bridge, for example if one were to be introduced across N 1 and N 12 in 1.11, would not be sufficient to constitute a "cross-bridge” and accordingly would not be preferred.
  • Suitable metals in the rigid ligand complexes include Mn(II), Mn(III), Mn(IV), Mn(V), Fe(II), Fe(III), Fe(IV), Co(I), Co(II), Co(III), Ni(I), Ni(II), Ni(III), Cu(I), Cu(II), Cu(III), Cr(II), Cr(III), Cr(IV), Cr(V), Cr(VI), V(III), V(IV), V(V), Mo(IV), Mo(V), Mo(VI), W(IV), W(V), W(VI), Pd(II), Ru(II), Ru(III), and Ru(IV).
  • Preferred transition-metals in the instant transition-metal bleach catalyst include manganese, iron and chromium.
  • Preferred oxidation states include the (II) and (III) oxidation states.
  • Manganese(II) in both the low-spin configuration and high spin complexes are included. It is to be noted that complexes such as low-spin Mn(II) complexes are rather rare in all of coordination chemistry.
  • the designation (II) or (III) denotes a coordinated transition metal having the requisite oxidation state; the coordinated metal atom is not a free ion or one having only water as a ligand.
  • a "ligand" is any moiety capable of direct covalent bonding to a metal ion.
  • Ligands can be charged or neutral and may range widely, including simple monovalent donors, such as chloride, or simple amines which form a single coordinate bond and a single point of attachment to a metal; to oxygen or ethylene, which can form a three-membered ring with a metal and thus can be said to have two potential points of attachment, to larger moieties such as ethylenediamine or aza macrocycles, which form up to the maximum number of single bonds to one or more metals that are allowed by the available sites on the metal and the number of lone pairs or alternate bonding sites of the free ligand. Numerous ligands can form bonds other than simple donor bonds, and can have multiple points of attachment.
  • Ligands useful herein can fall into several groups: the MRL, preferably a cross-bridged macropolycycle (preferably there will be one MRL in a useful transition-metal complex, but more, for example two, can be present, but not in preferred mononuclear transition-metal complexes); other, optional ligands, which in general are different from the MRL (generally there will be from 0 to 4, preferably from 1 to 3 such ligands); and ligands associated transiently with the metal as part of the catalytic cycle, these latter typically being related to water, hydroxide, oxygen or peroxides.
  • Ligands of the third group are not essential for defining the metal bleach catalyst, which is a stable, isolable chemical compound that can be fully characterized.
  • Ligands which bind to metals through donor atoms each having at least a single lone pair of electrons available for donation to a metal have a donor capability, or potential denticity, at least equal to the number of donor atoms. In general, that donor capability may be fully or only partially exercised.
  • the MRL's herein can be viewed as the result of imposing additional structural rigidity on specifically selected "parent macrocycles". More generally, the MRL's (and the corresponding transition-metal catalysts) herein suitably comprise:
  • Preferred superstructures herein not only enhance the rigidity of the parent macrocycle, but also favor folding of the macrocycle so that it co-ordinates to a metal in a cleft.
  • Suitable superstructures can be remarkably simple, for example a linking moiety such as any of those illustrated in 1.9 and 1.10 below, can be used.
  • n is an integer, for example from 2 to 8, preferably less than 6, typically 2 to 4, or wherein m and n are integers from 1 to 8, more preferably from 1 to 3
  • Z is N or CH
  • T is a compatible substituent, for example H, alkyl, trialkylammonium, halogen, nitro, sulfonate, or the like.
  • the aromatic ring in 1.10 can be replaced by a saturated ring, in which the atom in Z connecting into the ring can contain N, O, S or C.
  • the preorganization built into the MRL's herein that leads to extra kinetic and/or thermodynamic stability of their metal complexes arises from either or both of topological constraints and enhanced rigidity (loss of flexibility) compared to the free parent macrocycle which has no superstructure.
  • the MRL's as defined herein and their preferred cross-bridged sub-family, which can be said to be "ultra-rigid”, combine two sources of fixed preorganization.
  • the linking moieties and parent macrocycle rings are combined to form ligands which have a significant extent of "fold", typically greater than in many known superstructured ligands in which a superstructure is attached to a largely planar, often unsaturated macrocycle. See, for example: D.H. Busch, Chemical Reviews, (1993), 93 , 847 - 880.
  • the preferred MRL's herein have a number of particular properties, including (1) they are characterized by very high proton affinities, as in so-called “proton sponges"; (2) they tend to react slowly with multivalent transition metals, which when combined with (1) above, renders synthesis of their complexes with certain hydrolyzable metal ions difficult in hydroxylic solvents; (3) when they are coordinated to transition metal atoms as identified herein, the MRL's result in complexes that have exceptional kinetic stability such that the metal ions only dissociate extremely slowly under conditions that would destroy complexes with ordinary ligands; and (4) these complexes have exceptional thermodynamic stability; however, the unusual kinetics of MRL dissociation from the transition metal may defeat conventional equilibrium measurements that might quantitate this property.
  • the MRL's include those comprising:
  • this ligand is named 5,12-dimethyl-1,5,8,12-tetraazabicyclo[6.6.2]hexadecane using the extended von Baeyer system. See "A Guide to IUPAC Nomenclature of Organic Compounds: Recommendations 1993", R. Panico, W.H. Powell and J-C Richer (Eds.), Blackwell Scientific Publications, Boston, 1993; see especially section R-2.4.2.1.
  • This ligand is conventionally bicyclic.
  • the short bridge or "linking moiety" a,b is a "cross-bridge” as defined herein, with a,b bisecting the macrocyclic ring.
  • the MRL's herein are of course not limited to being synthesized from any preformed macrocycle plus preformed "rigidizing” or “conformation-modifying” element: rather, a wide variety of synthetic means, such as template syntheses, are useful.
  • macrocyclic rings are covalently connected rings formed from four or more donor atoms (i.e., heteroatoms such as nitrogen or oxygen) with carbon chains connecting them, and any macrocycle ring as defined herein must contain a total of at least ten, preferably at least twelve, atoms in the macrocycle ring.
  • a MRL herein may contain more than one ring of any sort per ligand, but at least one macrocycle ring must be identifiable. Moreover, in the preferred embodiments, no two hetero-atoms are directly connected.
  • Preferred transition-metal bleach catalysts are those wherein the MRL comprises an organic macrocycle ring (main ring) containing at least 10-20 atoms, preferably 12-18 atoms, more preferably from 12 to 20 atoms, most preferably 12 to 16 atoms.
  • Donor atoms herein are heteroatoms such as nitrogen, oxygen, phosphorus or sulfur, which when incorporated into a ligand still have at least one lone pair of electrons available for forming a donor-acceptor bond with a metal.
  • Preferred transition-metal bleach catalysts are those wherein the donor atoms in the organic macrocycle ring of the cross-bridged MRL are selected from the group consisting of N, O, S, and P, preferably N and O, and most preferably all N. Also preferred are cross-bridged MRL's comprising 4 or 5 donor atoms, all of which are coordinated to the same transition metal. Most preferred transition-metal bleach catalysts are those wherein the cross-bridged MRL comprises 4 nitrogen donor atoms all coordinated to the same transition metal, and those wherein the cross-bridged MRL comprises 5 nitrogen atoms all coordinated to the same transition metal.
  • Non-donor atoms of the MRL herein are most commonly carbon, though a number of atom types can be included, especially in optional exocyclic substituents (such as “pendant” moieties, illustrated hereinafter) of the macrocycles, which are neither donor atoms for purposes essential to form the metal catalysts, nor are they carbon.
  • non-donor atoms can refer to any atom not essential to forming donor bonds with the metal of the catalyst.
  • Bcyclam (5,12-dimethyl-1,5,8,12-tetraaza-bicyclo[6.6.2]hexadecane) is prepared by a synthesis method described by G.R. Weisman, et al., J.Amer.Chem.Soc. , (1990), 112 , 8604.
  • Bcyclam (1.00 g., 3.93 mmol) is dissolved in dry CH 3 CN (35 mL, distilled from CaH 2 ). The solution is then evacuated at 15 mm until the CH 3 CN begins to boil. The flask is then brought to atmospheric pressure with Ar. This degassing procedure is repeated 4 times.
  • This filtrate is evaporated to dryness using a rotoevaporator.
  • the resulting tan solid is dried overnight at 0.05 mm at room temperature.
  • the solid is suspended in toluene (100 mL) and heated to reflux.
  • the toluene is decanted off and the procedure is repeated with another 100 mL of toluene.
  • the balance of the toluene is removed using a rotoevaporator. After drying overnight at.05 mm at room temperature, 31.75 g. of a light blue solid product is collected, 93.5% yield.
  • Bleaching agents other than oxygen bleaching agents are also known in the art and can be utilized herein.
  • One type of non-oxygen bleaching agent of particular interest includes photoactivated bleaching agents such as the sulfonated zinc and/or aluminum phthalocyanines. These materials can be deposited upon the substrate during the washing process. Upon irradiation with light, in the presence of oxygen, such as by hanging clothes out to dry in the daylight, the sulfonated zinc phthalocyanine is activated and, consequently, the substrate is bleached.
  • Preferred zinc phthalocyanine and a photoactivated bleaching process are described in U.S. Patent 4,033,718.
  • detergent compositions will contain 0.025% to 1.25%, by weight, of sulfonated zinc phthalocyanine.
  • Fabric softening agents can also be incorporated into cleaning compositions in accordance with the present invention. These agents may be inorganic or organic in type. Inorganic softening agents are exemplified by the smectite clays disclosed in GB-A-1 400 898 and in USP 5,019,292. Organic fabric softening agents include the water insoluble tertiary amines as disclosed In GB-A1 514 276 and EP-B0 011 340 and their combination with mono C12-C14 quaternary ammonium salts are disclosed in EP-B-0 026 527 and EP-B-0 026 528 and di-long-chain amides as disclosed in EP-B-0 242 919. Other useful organic ingredients of fabric softening systems include high molecular weight polyethylene oxide materials as disclosed in EP-A-0 299 575 and 0 313 146.
  • Levels of smectite clay are normally in the range from 2% to 20%, more preferably from 5% to 15% by weight, with the material being added as a dry mixed component to the remainder of the formulation.
  • Organic fabric softening agents such as the water-insoluble tertiary amines or dilong chain amide materials are incorporated at levels of from 0.5% to 5% by weight, normally from 1% to 3% by weight whilst the high molecular weight polyethylene oxide materials and the water soluble cationic materials are added at levels of from 0.1% to 2%, normally from 0.15% to 1.5% by weight.
  • These materials are normally added to the spray dried portion of the composition, although in some instances it may be more convenient to add them as a dry mixed particulate, or spray them as molten liquid on to other solid components of the composition.
  • compositions according to the present invention may further comprise a builder system.
  • a builder system Any conventional builder system is suitable for use herein including aluminosilicate materials, silicates, polycarboxylates, alkyl- or alkenyl-succinic acid and fatty acids, materials such as ethylenediamine tetraacetate, diethylene triamine pentamethyleneacetate, metal ion sequestrants such as aminopolyphosphonates, particularly ethylenediamine tetramethylene phosphonic acid and diethylene triamine pentamethylenephosphonic acid.
  • Phosphate builders can also be used herein.
  • Suitable builders can be an inorganic ion exchange material, commonly an inorganic hydrated aluminosilicate material, more particularly a hydrated synthetic zeolite such as hydrated zeolite A, X, B, HS or MAP.
  • Another suitable inorganic builder material is layered silicate, e.g. SKS-6 (Hoechst).
  • SKS-6 is a crystalline layered silicate consisting of sodium silicate (Na 2 Si 2 O 5 ).
  • Suitable polycarboxylates containing one carboxy group include lactic acid, glycolic acid and ether derivatives thereof as disclosed in Belgian Patent Nos. 831,368, 821,369 and 821,370.
  • Polycarboxylates containing four carboxy groups include oxydisuccinates disclosed in British Patent No. 1,261,829, 1,1,2,2-ethane tetracarboxylates, 1,1,3,3-propane tetracarboxylates and 1,1,2,3-propane tetracarboxylates.
  • Polycarboxylates containing sulfo substituents include the sulfosuccinate derivatives disclosed in British Patent Nos. 1,398,421 and 1,398,422 and in U.S. Patent No. 3,936,448, and the sulfonated pyrolysed citrates described in British Patent No. 1,082,179, while polycarboxylates containing phosphone substituents are disclosed in British Patent No. 1,439,000.
  • Alicyclic and heterocyclic polycarboxylates include cyclopentane-cis,cis,cis-tetracarboxylates, cyclopentadienide pentacarboxylates, 2,3,4,5-tetrahydro-furan - cis, cis, cis-tetracarboxylates, 2,5-tetrahydro-furan -cis - dicarboxylates, 2,2,5,5-tetrahydrofuran- tetracarboxylates, 1,2,3,4,5,6-hexane - hexacar-boxylates and and carboxymethyl derivatives of polyhydric alcohols such as sorbitol, mannitol and xylitol.
  • Aromatic poly-carboxylates include mellitic acid, pyromellitic acid and the phthalic acid derivatives disclosed in British Patent No. 1,425,343.
  • the preferred polycarboxylates are hydroxycarboxylates containing up to three carboxy groups per molecule, more particularly citrates.
  • Preferred builder systems for use in the present compositions include a mixture of a water-insoluble aluminosilicate builder such as zeolite A or of a layered silicate (SKS-6), and a water-soluble carboxylate chelating agent such as citric acid.
  • a water-insoluble aluminosilicate builder such as zeolite A or of a layered silicate (SKS-6)
  • a water-soluble carboxylate chelating agent such as citric acid.
  • Preferred builder systems include a mixture of a water-insoluble aluminosilicate builder such as zeolite A, and a watersoluble carboxylate chelating agent such as citric acid.
  • Preferred builder systems for use in liquid detergent compositions of the present invention are soaps and polycarboxylates.
  • Detergency builder salts are normally included in amounts of from 5% to 80% by weight of the composition preferably from 10% to 70% and most usually from 30% to 60% by weight.
  • the detergent compositions herein may also optionally contain one or more iron and/or manganese chelating agents.
  • chelating agents can be selected from the group consisting of amino carboxylates, amino phosphonates, polyfunctionally-substituted aromatic chelating agents and mixtures therein, all as hereinafter defined. Without intending to be bound by theory, it is believed that the benefit of these materials is due in part to their exceptional ability to remove iron and manganese ions from washing solutions by formation of soluble chelates.
  • Amino carboxylates useful as optional chelating agents include ethylenediaminetetracetates, N-hydroxyethylethylenediaminetriacetates, nitrilotriacetates, ethylenediamine tetraproprionates, triethylenetetraaminehexacetates, diethylenetriaminepentaacetates, and ethanoldiglycines, alkali metal, ammonium, and substituted ammonium salts therein and mixtures therein.
  • Amino phosphonates are also suitable for use as chelating agents in the compositions of the invention when at lease low levels of total phosphorus are permitted in detergent compositions, and include ethylenediaminetetrakis (methylenephosphonates) as DEQUEST. Preferred, these amino phosphonates to not contain alkyl or alkenyl groups with more than 6 carbon atoms.
  • Polyfunctionally-substituted aromatic chelating agents are also useful in the compositions herein. See U.S. Patent 3,812,044, issued May 21, 1974, to Connor et al.
  • Preferred compounds of this type in acid form are dihydroxydisulfobenzenes such as 1,2-dihydroxy-3,5-disulfobenzene.
  • compositions herein may also contain water-soluble methyl glycine diacetic acid (MGDA) salts (or acid form) as a chelant or co-builder useful with, for example, insoluble builders such as zeolites, layered silicates and the like.
  • MGDA water-soluble methyl glycine diacetic acid
  • these chelating agents will generally comprise from 0.1% to 15% by weight of the detergent compositions herein. More preferably, if utilized, the chelating agents will comprise from 0.1% to 3.0% by weight of such compositions.
  • a suds suppressor exemplified by silicones, and silica-silicone mixtures.
  • Silicones can be generally represented by alkylated polysiloxane materials while silica is normally used in finely divided forms exemplified by silica aerogels and xerogels and hydrophobic silicas of various types. These materials can be incorporated as particulates in which the suds suppressor is advantageously releasably incorporated in a water-soluble or water-dispersible, substantially non-surface-active detergent impermeable carrier.
  • the suds suppressor can be dissolved or dispersed in a liquid carrier and applied by spraying on to one or more of the other components.
  • a preferred silicone suds controlling agent is disclosed in Bartollota et al. U.S. Patent 3 933 672.
  • Other particularly useful suds suppressors are the self-emulsifying silicone suds suppressors, described in German Patent Application DTOS 2 646 126 published April 28, 1977.
  • An example of such a compound is DC-544, commercially available from Dow Coming, which is a siloxane-glycol copolymer.
  • Especially preferred suds controlling agent are the suds suppressor system comprising a mixture of silicone oils and 2-alkyl-alcanols.
  • Suitable 2-alkyl-alkanols are 2-butyl-octanol which are commercially available under the trade name isofol 12 R.
  • Such suds suppressor system are described in Copending European Patent application EP 593 841 filed 10 November, 1992.
  • Especially preferred silicone suds controlling agents are described in Copending European Patent application EP 593 699.
  • Said compositions can comprise a silicone/silica mixture in combination with fumed nonporous silica such as Aerosil R .
  • the suds suppressors described above are normally employed at levels of from 0.001% to 2% by weight of the composition, preferably from 0.01% to 1% by weight.
  • compositions may be employed, such as soil-suspending agents, soil-release agents, optical brighteners, abrasives, bactericides, tarnish inhibitors, coloring agents, and/or encapsulated or non-encapsulated perfumes.
  • encapsulating materials are water soluble capsules which consist of a matrix of polysaccharide and polyhydroxy compounds such as described in GB 1,464,616.
  • Suitable water soluble encapsulating materials comprise dextrins derived from ungelatinized starch acid-esters of substituted dicarboxylic acids such as described in US 3,455,838. These acid-ester dextrins are,preferably, prepared from such starches as waxy maize, waxy sorghum, sago, tapioca and potato. Suitable examples of said encapsulating materials include N-Lok manufactured by National Starch. The N-Lok encapsulating material consists of a modified maize starch and glucose. The starch is modified by adding monofunctional substituted groups such as octenyl succinic acid anhydride.
  • Antiredeposition and soil suspension agents suitable herein include cellulose derivatives such as methylcellulose, carboxymethylcellulose and hydroxyethylcellulose, and homo- or co-polymeric polycarboxylic adds or their salts.
  • Polymers of this type include the polyacrylates and maleic anhydride-acrylic acid copolymers previously mentioned as builders, as well as copolymers of maleic anhydride with ethylene, methylvinyl ether or methacrylic acid, the maleic anhydride constituting at least 20 mole percent of the copolymer. These materials are normally used at levels of from 0.5% to 10% by weight, more preferably from 0.75% to 8%, most preferably from 1% to 6% by weight of the composition.
  • Preferred optical brighteners are anionic in character, examples of which are disodium 4,4'-bis-(2-diethanolamino-4-anilino -s- triazin-6-ylamino)stilbene-2:2' disulphonate, disodium 4, -4'-bis-(2-morpholino-4-anilino-s-triazin-6-ylamino-stilbene-2:2' - disulphonate, disodium 4,4' - bis-(2,4-dianilino-s-triazin-6-ylamino)stilbene-2:2' - disulphonate, monosodium 4',4" -bis-(2,4-dianilino-s-tri-azin-6 ylamino)stilbene-2-sulphonate, disodium 4,4' -bis-(2-anilino-4-(N-methyl-N-2-hydroxyethylamino)-s-triazin-6-ylamino)stilbene-2,2'- disul
  • polyethylene glycols particularly those of molecular weight 1000-10000, more particularly 2000 to 8000 and most preferably about 4000. These are used at levels of from 0.20% to 5% more preferably from 0.25% to 2.5% by weight. These polymers and the previously mentioned homo- or co-polymeric polycarboxylate salts are valuable for improving whiteness maintenance, fabric ash deposition, and cleaning performance on day, proteinaceous and oxidizable soils in the presence of transition metal impurities.
  • Soil release agents useful in compositions of the present invention are conventionally copolymers or terpolymers of terephthalic acid with ethylene glycol and/or propylene glycol units in various arrangements. Examples of such polymers are disclosed in the commonly assigned US Patent Nos. 4116885 and 4711730 and European Published Patent Application No. 0 272 033.
  • a particular preferred polymer in accordance with EP-A-0 272 033 has the formula (CH 3 (PEG) 43 ) 0.75 (POH) 0.25 [T-PO)2.8(T-PEG) 0.4 ]T(PO- H) 0.25 ((PEG) 43 CH 3 ) 0.75 where PEG is -(OC 2 H 4 )O-,PO is (OC 3 H 6 O) and T is (pcOC 6 H 4 CO).
  • modified polyesters as random copolymers of dimethyl terephthalate, dimethyl sulfoisophthalate, ethylene glycol and 1-2 propane diol, the end groups consisting primarily of sulphobenzoate and secondarily of mono esters of ethylene glycol and/or propane-diol.
  • the target is to obtain a polymer capped at both end by sulphobenzoate groups, "primarily", in the present context most of said copolymers herein will be end-capped by sulphobenzoate groups.
  • some copolymers will be less than fully capped, and therefore their end groups may consist of monoester of ethylene glycol and/or propane 1-2 diol, thereof consist “secondarily” of such species.
  • the selected polyesters herein contain 46% by weight of dimethyl terephthalic acid, 16% by weight of propane -1.2 diol, about 10% by weight ethylene glycol 13% by weight of dimethyl sulfobenzoic acid and 15% by weight of sulfoisophthalic acid, and have a molecular weight of 3.000.
  • the polyesters and their method of preparation are described in detail in EPA 311 342.
  • chlorine scavenger such as perborate, ammonium sulfate, sodium sulphite or polyethyleneimine at a level above 0.1% by weight of total composition, in the formulas will provide improved through the wash stability of the detergent enzymes.
  • Compositions comprising chlorine scavenger are described in the European patent application EP 553 607 filed January 31, 1992.
  • Alkoxylated polycarboxylates such as those prepared from polyacrylates are useful herein to provide additional grease removal performance. Such materials are described in WO 91/08281 and PCT 90/01815 at p. 4 et seq., incorporated herein by reference. Chemically, these materials comprise polyacrylates having one ethoxy side-chain per every 7-8 acrylate units.
  • the side-chains are of the formula -(CH 2 CH 2 O) m (CH 2 ) n CH 3 wherein m is 2-3 and n is 6-12.
  • the side-chains are ester-linked to the polyacrylate "backbone” to provide a "comb" polymer type structure.
  • the molecular weight can vary, but is typically in the range of 2000 to 50,000.
  • Such alkoxylated polycarboxylates can comprise from 0.05% to 10%, by weight, of the compositions herein.
  • the cleaning composition of the present invention can also contain dispersants :
  • Suitable water-soluble organic salts are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
  • Polymers of this type are disclosed in GB-A-1,596,756.
  • Examples of such salts are polyacrylates of MW 2000-5000 and their copolymers with maleic anhydride, such copolymers having a molecular weight of from 1,000 to 100,000.
  • copolymer of acrylate and methylacrylate such as the 480N having a molecular weight of 4000, at a level from 0.5-20% by weight of composition can be added in the cleaning compositions of the present invention.
  • compositions of the invention may contain a lime soap peptiser compound, which has preferably a lime soap dispersing power (LSDP), as defined hereinafter of no more than 8, preferably no more than 7, most preferably no more than 6.
  • LSDP lime soap dispersing power
  • the lime soap peptiser compound is preferably present at a level from 0% to 20% by weight.
  • LSDP lime soap dispersant power
  • Surfactants having good lime soap peptiser capability will include certain amine oxides, betaines, sulfobetaines, alkyl ethoxysulfates and ethoxylated alcohols.
  • Polymeric lime soap peptisers suitable for use herein are described in the article by M.K. Nagarajan, W.F. Masler, to be found in Cosmetics and Toiletries, volume 104, pages 71-73, (1989).
  • Hydrophobic bleaches such as 4-[N-octanoyl-6-aminohexanoyl]benzene sulfonate, 4-[N-nonanoyl-6-aminohexanoyl]benzene sulfonate, 4-[N-decanoyl-6-aminohexanoyl]benzene sulfonate and mixtures thereof; and nonanoyloxy benzene sulfonate together with hydrophilic / hydrophobic bleach formulations can also be used as lime soap peptisers compounds.
  • the cleaning compositions of the present invention can also include compounds for inhibiting dye transfer from one fabric to another of solubilized and suspended dyes encountered during fabric laundering operations involving colored fabrics.
  • the cleaning compositions according to the present invention also comprise from 0.001% to 10 %, preferably from 0.01% to 2%, more preferably from 0.05% to 1% by weight of polymeric dye transfer inhibiting agents.
  • Said polymeric dye transfer inhibiting agents are normally incorporated into cleaning compositions in order to inhibit the transfer of dyes from colored fabrics onto fabrics washed therewith. These polymers have the ability to complex or adsorb the fugitive dyes washed out of dyed fabrics before the dyes have the opportunity to become attached to other articles in the wash.
  • polymeric dye transfer inhibiting agents are polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinylpyrrolidone polymers, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof. Addition of such polymers also enhances the performance of the enzymes according the invention.
  • the polyamine N-oxide polymers suitable for use contain units having the following structure formula: wherein P is a polymerisable unit, whereto the R-N-O group can be attached to or wherein the R-N-O group forms part of the polymerisable unit or a combination of both.
  • R are aliphatic, ethoxylated aliphatics, aromatic, heterocyclic or alicyclic groups or any combination thereof whereto the nitrogen of the N-O group can be attached or wherein the nitrogen of the N-O group is part of these groups.
  • the N-O group can be represented by the following general structures : wherein R1, R2, and R3 are aliphatic groups, aromatic, heterocyclic or alicyclic groups or combinations thereof, x or/and y or/and z is 0 or 1 and wherein the nitrogen of the N-O group can be attached or wherein the nitrogen of the N-O group forms part of these groups.
  • the N-O group can be part of the polymerisable unit (P) or can be attached to the polymeric backbone or a combination of both.
  • Suitable polyamine N-oxides wherein the N-O group forms part of the polymerisable unit comprise polyamine N-oxides wherein R is selected from aliphatic, aromatic, alicyclic or heterocyclic groups.
  • R is selected from aliphatic, aromatic, alicyclic or heterocyclic groups.
  • One class of said polyamine N-oxides comprises the group of polyamine N-oxides wherein the nitrogen of the N-O group forms part of the R-group.
  • Preferred polyamine N-oxides are those wherein R is a heterocyclic group such as pyrridine, pyrrole, imidazole, pyrrolidine, piperidine, quinoline, acridine and derivatives thereof.
  • Another class of said polyamine N-oxides comprises the group of polyamine N-oxides wherein the nitrogen of the N-O
  • polyamine N-oxides are the polyamine oxides whereto the N-O group is attached to the polymerisable unit.
  • Preferred class of these polyamine N-oxides are the polyamine N-oxides having the general formula (I) wherein R is an aromatic, heterocyclic or alicyclic groups wherein the nitrogen of the N-0 functional group is part of said R group. Examples of these classes are polyamine oxides wherein R is a heterocyclic compound such as pyrridine, pyrrole, imidazole and derivatives thereof.
  • Another preferred class of polyamine N-oxides are the polyamine oxides having the general formula (I) wherein R are aromatic, heterocyclic or alicyclic groups wherein the nitrogen of the N-0 functional group is attached to said R groups. Examples of these classes are polyamine oxides wherein R groups can be aromatic such as phenyl.
  • Any polymer backbone can be used as long as the amine oxide polymer formed is water-soluble and has dye transfer inhibiting properties.
  • suitable polymeric backbones are polyvinyls, polyalkylenes, polyesters, polyethers, polyamide, polyimides, polyacrylates and mixtures thereof.
  • the amine N-oxide polymers of the present invention typically have a ratio of amine to the amine N-oxide of 10:1 to 1:1000000.
  • the amount of amine oxide groups present in the polyamine oxide polymer can be varied by appropriate copolymerization or by appropriate degree of N-oxidation.
  • the ratio of amine to amine N-oxide is from 2:3 to 1:1000000. More preferably from 1:4 to 1:1000000, most preferably from 1:7 to 1:1000000.
  • the polymers of the present invention actually encompass random or block copolymers where one monomer type is an amine N-oxide and the other monomer type is either an amine N-oxide or not.
  • the amine oxide unit of the polyamine N-oxides has a PKa ⁇ 10, preferably PKa ⁇ 7, more preferred PKa ⁇ 6.
  • the polyamine oxides can be obtained in almost any degree of polymerisation. The degree of polymerisation is not critical provided the material has the desired water-solubility and dye-suspending power.
  • the average molecular weight is within the range of 500 to 1000,000; preferably from 1,000 to 50,000, more preferably from 2,000 to 30,000, most preferably from 3,000 to 20,000.
  • the N-vinylimidazole N-vinylpyrrolidone polymers used in the present invention have an average molecular weight range from 5,000-1,000,000, preferably from 5,000-200,000.
  • Highly preferred polymers for use in detergent compositions according to the present invention comprise a polymer selected from N-vinylimidazole N-vinylpyrrolidone copolymers wherein said polymer has an average molecular weight range from 5,000 to 50,000 more preferably from 8,000 to 30,000, most preferably from 10,000 to 20,000.
  • the average molecular weight range was determined by light scattering as described in Barth H.G, and Mays J.W. Chemical Analysis Vol 113,"Modem Methods of Polymer Characterization".
  • Highly preferred N-vinylimidazole N-vinylpyrrolidone copolymers have an average molecular weight range from 5,000 to 50,000; more preferably from 8,000 to 30,000; most preferably from 10,000 to 20,000.
  • the N-vinylimidazole N-vinylpyrrolidone copolymers characterized by having said average molecular weight range provide excellent dye transfer inhibiting properties while not adversely affecting the cleaning performance of detergent compositions formulated therewith.
  • the N-vinylimidazole N-vinylpyrrolidone copolymer of the present invention has a molar ratio of N-vinylimidazole to N-vinylpyrrolidone from 1 to 0.2, more preferably from 0.8 to 0.3, most preferably from 0.6 to 0.4.
  • the detergent compositions of the present invention may also utilize polyvinylpyrrolidone ("PVP") having an average molecular weight of from 2,500 to 400,000, preferably from 5,000 to 200,000, more preferably from 5,000 to 50,000, and most preferably from 5,000 to 15,000.
  • PVP polyvinylpyrrolidone
  • Suitable polyvinylpyrrolidones are commercially vailable from ISP Corporation, New York, NY and Montreal, Canada under the product names PVP K-15 (viscosity molecular weight of 10,000), PVP K-30 (average molecular weight of 40,000), PVP K-60 (average molecular weight of 160,000), and PVP K-90 (average molecular weight of 360,000).
  • polyvinylpyrrolidones which are commercially available from BASF Cooperation include Sokalan HP 165 and Sokalan HP 12; polyvinylpyrrolidones known to persons skilled in the detergent field (see for example EP-A-262,897 and EP-A-256,896).
  • the detergent compositions of the present invention may also utilize polyvinyloxazolidone as a polymeric dye transfer inhibiting agent.
  • Said polyvinyloxazolidones have an average molecular weight of from 2,500 to 400,000, preferably from 5,000 to 200,000, more preferably from 5,000 to 50,000, and most preferably from 5,000 to 15,000.
  • the detergent compositions of the present invention may also utilize polyvinylimidazole as polymeric dye transfer inhibiting agent.
  • Said polyvinylimidazoles have an average 2,500 to 400,000, preferably from 5,000 to 200,000, more preferably from 5,000 to 50,000, and most preferably from 5,000 to 15,000.
  • Cross-linked polymers are polymers whose backbone are interconnected to a certain degree; these links can be of chemical or physical nature, possibly with active groups n the backbone or on branches; cross-linked polymers have been described in the Journal of Polymer Science, volume 22, pages 1035-1039.
  • the cross-linked polymers are made in such a way that they form a three-dimensional rigid structure, which can entrap dyes in the pores formed by the three-dimensional structure.
  • the cross-linked polymers entrap the dyes by swelling.
  • compositions of the invention may be used in essentially any washing or cleaning methods, including soaking methods, pretreatment methods and methods with rinsing steps for which a separate rinse aid composition may be added.
  • the process described herein comprises contacting fabrics with a laundering solution in the usual manner and exemplified hereunder.
  • the process of the invention is conveniently carried out in the course of the cleaning process.
  • the method of cleaning is preferably carried out at 5°C to 95°C, especially between 10°C and 60°C.
  • the pH of the treatment solution is from 7 to 12.
  • a preferred machine dishwashing method comprises treating soiled articles with an aqueous liquid having dissolved or dispensed therein an effective amount of the machine diswashing or rinsing composition.
  • a conventional effective amount of the machine dishwashing composition means from 8-60 g of product dissolved or dispersed in a wash volume from 3-10 litres.
  • soiled dishes are contacted with an effective amount of the diswashing composition, typically from 0.5-20g (per 25 dishes being treated).
  • Preferred manual dishwashing methods include the application of a concentrated solution to the surfaces of the dishes or the soaking in large volume of dilute solution of the detergent composition.
  • the enzymes levels are expressed by pure enzyme by weight of the total composition and unless otherwise specified, the detergent ingredients are expressed by weight of the total compositions.
  • the abbreviated component identifications therein have the following meanings:
  • the following detergent compositions of particular utility under European machine wash conditions were prepared according to the present invention: I II III IV Blown Powder LAS 6.0 5.0 11.0 6.0 TAS 2.0 - - 2.0 Zeolite A 24.0 - - 20.0 STPP - 27.0 24.0 - Sulfate 4.0 6.0 13.0 - MA/AA 1.0 4.0 6.0 2.0 Silicate 1.0 7.0 3.0 3.0 CMC 1.0 1.0 0.5 0.6 Brightener 1 0.2 0.2 0.2 0.2 I II III IV Silicone antifoam 1.0 1.0 1.0 0.3 DETPMP 0.4 0.4 0.2 0.4 Spray On Brightener 0.02 - - 0.02 C45E7 - - - 5.0 C45E2 2.5 2.5 2.0 - C45E3 2.6 2.5 2.0 - Perfume 0.5 0.3 0.5 0.2 Silicone antifoam 0.3 0.3 0.3 - Dry additives QEA - - - 1.0 EDDS 0.3 - - - Sulfate 2.0 3.0
  • the following detergent compositions were prepared according to the present invention : I II III Blown Powder Zeolite A 15.0 15.0 15.0 Sulfate - 5.0 - LAS 3.0 3.0 3.0 QAS - 1.5 1.5 DETPMP 0.4 0.2 0.4 EDDS - 0.4 0.2 CMC 0.4 0.4 0.4 MA/AA 4.0 2.0 2.0 I II III Agglomerate LAS 5.0 5.0 5.0 TAS 2.0 2.0 1.0 Silicate 3.0 3.0 4.0 Zeolite A 8.0 8.0 8.0 Carbonate 8.0 8.0 4.0 Spray On Perfume 0.3 0.3 0.3 C45E7 2.0 2.0 2.0 C25E3 2.0 - - Dry Additives Citrate 5.0 - 2.0 Bicarbonate - 3.0 - Carbonate 8.0 15.0 10.0 TAED 6.0 2.0 5.0 PB1 14.0 7.0 10.0 PEO - - 0.2 Bentonite clay - - 10.0 Haloperoxidase 0.05 0.05 0.05 Propionic acid 2.0 - - Nonanoic acid -
  • the following detergent compositions were prepared according to the present invention: I II III IV LAS 18.0 14.0 24.0 20.0 QAS 0.7 1.0 - 0.7 TFAA - 1.0 - - C23E56.5 - - 1.0 - C45E7 - 1.0 - - C45E3S 1.0 2.5 1.0 - STPP 32.0 18.0 30.0 22.0 Silicate 9.0 5.0 9.0 8.0 Carbonate 11.0 7.5 10.0 5.0 Bicarbonate - 7.5 - - PB1 3.0 1.0 1.0 1.0 PB4 - 1.0 - - NOBS 2.0 1.0 - - DETPMP - 1.0 - - DTPA 0.5 - 0.2 0.3 SRP 1 0.3 0.2 - 0.1 MA/AA 1.0 1.5 2.0 0.5 CMC 0.8 0.4 0.4 0.2 PEI - - 0.4 - Sulfate 20.0 10.0 20.0 30.0 Mg sulfate 0.2 - 0.4 0.9 Haloperoxidase
  • liquid detergent formulations were prepared according to the present invention (Levels are given in parts per weight, enzymes are expressed in pure enzyme): I II III IV LAS 10.0 13.0 9.0 - C25AS 4.0 1.0 2.0 10.0 C25E3S 1.0 - - 3.0 C25E7 6.0 8.0 13.0 2.5 TFAA - - - 4.5 APA - 1.4 - - TPKFA 2.0 - 13.0 7.0 Citric 2.0 3.0 1.0 1.5 Dodecenyl / tetradecenyl succinic 12.0 10.0 - - acid Rapeseed fatty acid 4.0 2.0 1.0 - Ethanol 4.0 4.0 7.0 2.0 1,2 Propanediol 4.0 4.0 2.0 7.0 Monoethanolamine - - - 5.0 Triethanolamine - - 8.0 - TEPAE 0.5 - 0.5 0.2 DETPMP 1.0 1.0 0.5 0.5 1.0 Haloperoxidase 0.005 0.007 0.002 0.001 Acetic acid
  • liquid detergent compositions were prepared according to the present invention (Levels are given in parts by weight, enzymes are expressed in pure enzyme): I II LAS 27.6 18.9 C45AS 13.8 5.9 C13E8 3.0 3.1 Oleic acid 3.4 2.5 Citric 5.4 5.4 Na hydroxide 0.4 3.6 Ca Formate 0.2 0.1 Na Formate - 0.5 Ethanol 7.0 - Monoethanolamine 16.5 8.0 I II 1,2 propanediol 5.9 5.5 Xylene sulfonic acid - 2.4 TEPAE 1.5 0.8 Protease 0.05 0.02 Haloperoxidase 0.05 0.05 Acetic acid 2.0 1.5 Hydrogen peroxide 0.1 0.1 PEG - 0.7 Brightener 2 0.4 0.1 Perfume 0.5 0.3 Miscellaneous and water
  • liquid dishwashing detergent compositions of density 1.40Kg/L were prepared according to the present invention: I II III IV STPP 17.5 17.5 17.2 16.0 Carbonate 2.0 - 2.4 - Silicate 5.3 6.1 14.6 15.7 NaOCI 1.15 1.15 1.15 1.25 Polygen/carbopol 1.1 1.0 1.1 1.25 Nonionic - - 0.1 - NaBz 0.75 0.75 - - Haloperoxidase 0.005 0.005 0.005 Acetic acid 0.5 1.0 2.0 4.0 PB1 2.0 3.0 4.0 6.0 NaOH - 1.9 - 3.5 I II III IV KOH 2.8 3.5 3.0 - pH 11.0 11.7 10.9 11.0 Sulphate, miscellaneous and water up to 100%
  • liquid rinse aid compositions were prepared according to the present invention: II Nonionic - Nonionic blend 64.0 Haloperoxidase 0.05 Acetic acid 2.0 Citric acid - Hydrogen peroxide 0.5 Citric - HEDP - PEG 5.0 SCS - Ethanol 8.0 pH of the liquid 7.5
  • liquid dishwashing compositions were prepared according to the present invention: I II III IV V C17ES 28.5 27.4 19.2 34.1 34.1 Amine oxide 2.6 5.0 2.0 3.0 3.0 C12 glucose amide - - 6.0 - - I II III IV V Betaine 0.9 - - 2.0 2.0 Xylene sulfonate 2.0 4.0 - 2.0 - Neodol C11E9 - - 5.0 - - Polyhydroxy fatty acid amide - - - 6.5 6.5 Sodium diethylene penta acetate - - 0.03 - - (40%) TAED - - - 0.06 0.06 Sucrose - - - 1.5 1.5 Ethanol 4.0 5.5 5.5 9.1 9.1 Alkyl diphenyl oxide disulfonate - - - - 2.3 Ca formate - - - - 0.5 1.1 Ammonium citrate 0.06 0.1 - - - Na chloride - 1.0 - -
  • liquid hard surface cleaning compositions were prepared according to the present invention: I II III Haloperoxidase 0.005 0.005 0.005 Acetic acid 1.0 2.0 3.0 I II III Hydrogen peroxide 0.1 0.1 0.2 Amylase 0.01 0.002 0.005 Protease 0.05 0.01 0.02 EDTA 0.05 0.05 0.05 Citrate 2.9 2.9 2.9 LAS 0.5 0.5 0.5 C12 AS 0.5 0.5 0.5 C12(E)S 0.5 0.5 0.5 0.5 C12,13 E6.5 nonionic 7.0 7.0 7.0 Perfume 1.0 1.0 1.0 1.0 Hexyl carbitol 1.0 1.0 1.0 SCS 1.3 1.3 1.3 Water Balance to 100%
  • the following spray composition for cleaning of hard surfaces and removing household mildew was prepared according to the present invention : Haloperoxidase 0.05 Acetic acid 1.0 Hydrogen peroxide 0.2 Amylase 0.01 Protease 0.01 Na octyl sulfate 2.0 Na dodecyl sulfate 4.0 Na hydroxide 0.8 Silicate 0.04 Butyl carbitol 4.0 Perfume 0.35 Water/minors up to 100%
  • lavatory cleansing block compositions were prepared according to the present invention.
  • I II III C16-18 fatty alcohol/50EO 80.0 - - LAS - - 80.0
  • the following toilet bowl cleaning composition was prepared according to the present invention.
  • the following single layer effervescent denture cleansing tablets were prepared according to the present invention : I II Haloperoxidase 0.05 0.05 Protease 0.05 2.0 Sodium bicarbonate 39.0 39.0 Malic acid 14.0 14.0 Sulphamic acid 3.0 3.0 TAED 2.0 2.0 Dye / Flavor 2.0 2.0 PB1 16.0 16.0 EDTA 3.0 3.0 PEG 10,000 6.0 6.0 K monopersulfate 13.0 13.0 Na carbonate 1.0 1.0 LAS 1.0 1.0 Pyrogenic silica 2.0 2.0

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Claims (23)

  1. Reinigungszusammensetzung mit einem pH von 7-12, umfassend:
    a) ein Tensidsystem,
    b) eine Oxidoreductase mit einer α/β-Hydrolasefaltung und einer katalytischen Triade, bestehend aus den Aminosäureresten Serin, Histidin und Asparaginsäure,
    c) eine Wasserstoffperoxid-Quelle, und
    d) eine organische Säure, gewählt aus der Gruppe, bestehend aus Monocarbonsäuren der Formel CnH(2n+1)COOH, worin n=1-9; Äpfelsäure, Citronensäure; Milchsäure; Fruchtsäuren; Benzoesäure; Phthalsäure; deren korrespondierenden Salzen und Mischungen hiervon.
  2. Reinigungszusammensetzung nach Anspruch 1, wobei die Oxidoreductase in einem Anteil von 0,0001% bis 2%, vorzugsweise 0,001% bis 1%, weiter vorzugsweise 0,005% bis 0,1%, reines Enzym, vorliegt, bezogen auf Gewicht der Gesamtzusammensetzung.
  3. Reinigungszusammensetzung nach den Ansprüchen 1 bis 2, wobei die Oxidoreductase aus dem Stamm Serratia marcescens erhältlich ist.
  4. Reinigungszusammensetzung nach den Ansprüchen 1 bis 3. wobei die organische Säure in einem Anteil von 0,1% bis 50%, vorzugsweise 0,5% bis 40%, weiter vorzugsweise 1% bis 20%, bezogen auf Gewicht der Gesamtzusammensetzung, vorliegt.
  5. Reinigungszusammensetzung nach Anspruch 1, wobei die organische Säure gewählt ist aus Essigsäure, Propionsäure, Nonansäure, und/oder deren korrespondierenden Natriumsalzen und/oder Mischungen hiervon.
  6. Reinigungszusammensetzung nach mindestens einem der vorangehenden Ansprüche, wobei die Wasserstoffperoxid-Quelle in der Waschlösung Wasserstoffperoxid in einem Anteil von 0,0001-10 mMolen, vorzugsweise 0.0001-2 mMolen. weiter vorzugsweise 0,0001-0.3 mMolen, erzeugt.
  7. Reinigungszusammensetzung nach Anspruch 6, wobei der Anteil an Wasserstoffperoxid mittels eines Systems kontrollierter Freisetzung beibehalten wird.
  8. Reinigungszusammensetzung nach mindestens einem der vorangehenden Ansprüche, wobei die Wasserstoffperoxid-Quelle aus Perborat und/oder Percarbonat gewählt ist.
  9. Reinigungszusammensetzung nach den Ansprüchen 1 bis 7, wobei die Wasserstoffperoxid-Quelle ein enzymatisches wasserstoffperoxiderzeugendes System ist, vorzugsweise ein Glucose/Glucose-Oxidase- oder Lactat/Lactat-Oxidase-System.
  10. Reinigungszusammensetzung nach mindestens einem der vorangehenden Ansprüche, weiterhin umfassend ein Detergensenzym, vorzugsweise gewählt aus Cellulase, Lipase, Protease, Amylase und/oder Mischungen hiervon.
  11. Reinigungszusammensetzung nach mindestens einem der vorangehenden Ansprüche, umfassend weiterhin ein anderes Bleichsystem.
  12. Reinigungszusammensetzung nach Anspruch 11, wobei das Bleichmittel gewählt ist aus Perborat und/oder Percarbonat und der Aktivator gewählt ist aus Tetraacetylethylendiamin, Nonanoyloxybenzolsulfonat und/oder 3,5-Trimethylhexanoloxybenzolsulfonat.
  13. Reinigungszusammensetzung nach Anspruch 11, wobei das Bleichsystem ein anderes enzymatisches Bleichsystem ist.
  14. Reinigungszusammensetzung nach Anspruch 11, wobei das Bleichsystem ein Bleichsystem auf Metallokatalysator-Basis ist.
  15. Reinigungszusammensetzung nach Anspruch 14, wobei der Metallokatalysator ein Übergangsmetallkomplex eines makropolycyclischen starren Liganden ist.
  16. Reinigungszusammensetzung nach den Ansprüchen 14-15, wobei der Metallokatalysator Mangan ist.
  17. Reinigungszusammensetzung nach mindestens einem der vorangehenden Ansprüche, wobei die Oxidoreductase alkalisch ist.
  18. Reinigungszusammensetzung nach mindestens einem der vorangehenden Ansprüche, welche in Form eines Additives vorliegt.
  19. Verwendung einer Zusammensetzung gemäß mindestens einem der vorangehenden Ansprüche für die Textilreinigung und/oder Textilfleckenentfernung und/oder Textilweißgrad-Beibehaltung und/oder Textilweichmachung und/oder Textilfarberscheinung und/oder Textilfarbstoff-Übertragungsinhibierung.
  20. Verwendung einer Reinigungszusammensetzung gemäß den Ansprüchen 1 bis 18 zum Reinigen harter Oberflächen, wie Böden, Wände, Badezimmerfliesen.
  21. Verwendung einer Reinigungszusammensetzung gemäß den Ansprüchen 1 bis 18 für das Hand- und maschinelle Geschirrspülen.
  22. Verwendung einer Reinigungszusammensetzung gemäß den Ansprüchen 1 bis 18 für orale und/oder dentale Anwendungen.
  23. Verwendung einer Zusammensetzung gemäß den Ansprüchen 1 bis 18 für die Sterilisation der behandelten Oberflächen.
EP97933515A 1997-07-09 1997-07-09 Oxidoreductase enthaltende reinigungszusammensetzungen Expired - Lifetime EP1002041B1 (de)

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FR2825100B1 (fr) * 2001-05-25 2005-10-28 Denys Laforge Produit de nettoyage de surfaces pour en eliminer les salissures
GB2382343A (en) * 2001-11-27 2003-05-28 Reckitt Benckiser Nv Water softening composition
US20050003988A1 (en) * 2003-06-27 2005-01-06 The Procter & Gamble Company Enzyme bleach lipophilic fluid cleaning compositions
JP2006056846A (ja) * 2004-08-23 2006-03-02 Sun Medical Co Ltd 漂白時の知覚過敏を抑制する歯牙用漂白剤キット
JP5010193B2 (ja) * 2006-06-28 2012-08-29 有限会社シェスティ．クリエティブ 歯牙漂白剤及び歯牙漂白剤の製法
JP5511183B2 (ja) * 2007-12-28 2014-06-04 アース製薬株式会社 有機酸による歯のエナメル質の溶解が阻害される口腔用組成物
DE102008045215A1 (de) * 2008-08-30 2010-03-04 Clariant International Ltd. Verwendung von Mangan-Oxalatenn als Bleichkatalysatoren
DE102008045207A1 (de) * 2008-08-30 2010-03-04 Clariant International Limited Bleichkatalysatormischungen bestehend aus Mangansalzen und Oxalsäure oder deren Salze
KR101787652B1 (ko) * 2011-05-13 2017-10-19 주식회사 엘지생활건강 세탁용 시트
KR101454411B1 (ko) * 2013-02-05 2014-10-23 주식회사 엘지생활건강 수용성 효소 시트
JP6220652B2 (ja) * 2013-11-26 2017-10-25 日華化学株式会社 医療器具用洗浄剤組成物
JP6184024B2 (ja) * 2014-06-30 2017-08-23 ライオン株式会社 粒状洗剤
WO2021073901A1 (en) 2019-10-15 2021-04-22 Unilever Ip Holdings B.V. Detergent composition
CN113234542A (zh) * 2021-04-21 2021-08-10 广州市爱家有方日用品有限公司 一种清洁剂及其制备方法
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CA2295953A1 (en) 1999-01-21
ATE233806T1 (de) 2003-03-15

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