EP1449911A1 - Compositions aqueuses contenant des matières actives microencapsulées - Google Patents

Compositions aqueuses contenant des matières actives microencapsulées Download PDF

Info

Publication number
EP1449911A1
EP1449911A1 EP03003176A EP03003176A EP1449911A1 EP 1449911 A1 EP1449911 A1 EP 1449911A1 EP 03003176 A EP03003176 A EP 03003176A EP 03003176 A EP03003176 A EP 03003176A EP 1449911 A1 EP1449911 A1 EP 1449911A1
Authority
EP
European Patent Office
Prior art keywords
acid
matrix
active ingredients
preparations according
alcohol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03003176A
Other languages
German (de)
English (en)
Other versions
EP1449911B1 (fr
Inventor
Nuria Dr. Bonastre Gilabert
Agustin Sanchez
Maria Dr. De Moragas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cognis IP Management GmbH
Original Assignee
Cognis Iberia SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cognis Iberia SL filed Critical Cognis Iberia SL
Priority to EP03003176A priority Critical patent/EP1449911B1/fr
Priority to DE50307461T priority patent/DE50307461D1/de
Priority to ES03003176T priority patent/ES2286341T3/es
Priority to AT03003176T priority patent/ATE364681T1/de
Publication of EP1449911A1 publication Critical patent/EP1449911A1/fr
Application granted granted Critical
Publication of EP1449911B1 publication Critical patent/EP1449911B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/12Processes in which the treating agent is incorporated in microcapsules
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039Coated compositions or coated components in the compositions, (micro)capsules
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/001Softening compositions
    • C11D3/0015Softening compositions liquid
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/18Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3703Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3746Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3749Polyolefins; Halogenated polyolefins; Natural or synthetic rubber; Polyarylolefins or halogenated polyarylolefins
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/02Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/227Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/20Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease

Definitions

  • the invention is in the field of laundry treatment agents and relates to new preparations with microencapsulated active ingredients that improve ironing behavior, a process for the treatment of textiles and the use of special microencapsulated Active ingredients for laundry equipment.
  • the object of the present invention was therefore to provide new aqueous preparations with which textiles can be finished in such a way that easy ironing is possible ( " easy ironing effect") without the disadvantages of the prior art being associated therewith are.
  • the active ingredients should be easy to incorporate and the resulting aqueous preparations should be stable on storage. Another wish was still to use such active substances that have additional positive effects in connection with the textile finish.
  • the invention relates to aqueous preparations, for example fabric softener, Liquid detergent or laundry detergent, with microencapsulated active ingredients, which are characterized by the fact that the active substances are substances which Improve the ironing behavior of textiles.
  • the preparations according to the invention contain the known active ingredients now included used in microencapsulated form.
  • the microcapsules additional dyes, for example transparent preparations are possible, which Active substances in the form of clearly visible, for example blue or red colored spherical Forms contain what may be desired for aesthetic reasons, because it is Consumers immediately notice the presence of active auxiliary substances.
  • the microencapsulated Active substances are drawn onto the fibers; when ironed, the capsules become mechanical broken open and then release the active ingredient spontaneously.
  • microencapsulated active ingredients are used in which the shell consists entirely or at least predominantly of chitosan. Chitosan also owns the tendency to pull on fibers. Since it has nourishing and antibacterial properties, is the desired additional with the use of chitosan microcapsules Benefits achieved.
  • the main active ingredients that improve the ironing behavior of textiles are silicone compounds, Paraffin waxes, polyolefin waxes and their mixtures in question.
  • Suitable silicone compounds are, for example, dimethylpolysiloxanes, methylphenylpolysiloxanes, cyclic silicones as well as amino, fatty acid, alcohol, polyether, epoxy, fluorine, glycoside and / or alkyl modified silicone compounds, the can be both liquid and resinous at room temperature.
  • simethicones which are mixtures of dimethicones with an average chain length of 200 to 300 dimethylsiloxane units and hydrogenated silicates.
  • paraffin waxes saturated hydrocarbons are sufficient To understand carbon chain length that only at temperatures above soften or melt at 50, preferably above 60 ° C.
  • the paraffin waxes can also be partially oxidized, i.e. have free carboxyl groups.
  • polyolefin waxes are polyethylene waxes, polypropylene waxes and to understand their mixtures. Suitable representatives are those who are only at Soften temperatures above 50, preferably above 60 ° C or melt. Polyolefin waxes, such as e.g. the Adalin® product K (Cognis Deutschland GmbH & Co. KG)
  • Both the silicone compounds and the waxes can be in the form of aqueous emulsions or dispersions are used, the active substance content in the range of 1 can be up to 25% by weight. Small amounts of suitable ones can be used as further constituents Emulsifiers can also be used.
  • microcapsule is understood by the person skilled in the art to mean spherical aggregates with a diameter in the range from approximately 0.0001 to approximately 5 mm, which contain at least one solid or liquid core which is enclosed by at least one continuous shell. More precisely, it involves finely dispersed liquid or solid phases coated with film-forming polymers, in the production of which the polymers precipitate on the material to be encased after emulsification and coacervation or interfacial polymerization. According to another method, melted waxes are taken up in a matrix ( " microsponge"), which as microparticles can additionally be coated with film-forming polymers.
  • the microscopic capsules, also called nanocapsules can be dried like powder.
  • multinuclear aggregates also called microspheres
  • Single or multi-core microcapsules can also be enclosed by an additional second, third, etc. shell.
  • the shell can consist of natural, semi-synthetic or synthetic materials.
  • wrapping materials are, for example, gum arabic, agar agar, agarose, maltodextrins, alginic acid or its salts, for example sodium or calcium alginate, fats and fatty acids, cetyl alcohol, collagen, chitosan, lecithins, gelatin, albumin, shellac, polysaccharides, such as starch or Dextran, polypeptides, protein hydrolyzates, sucrose and waxes.
  • Semi-synthetic casing materials include chemically modified celluloses, in particular cellulose esters and ethers, for example cellulose acetate, ethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose and carboxymethyl cellulose, and starch derivatives, in particular starch ethers and esters.
  • Synthetic covering materials are, for example, polymers such as polyacrylates, polyamides, polyvinyl alcohol or polyvinyl pyrrolidone.
  • microcapsules of the prior art are the following commercial products (the shell material is given in brackets) : Hallcrest microcapsules (gelatin, gum arabic), Coletica Thalaspheres (maritime collagen), Lipotec millicapsules (alginic acid, agar agar), Induchem Unispheres (lactose , microcrystalline cellulose, hydroxypropylmethyl cellulose); Unicerin C30 (lactose, microcrystalline cellulose, hydroxypropylmethylcellulose), Kobo Glycospheres (modified starch, fatty acid esters, phospholipids), Softspheres (modified agar agar) and Kuhs Probiol Nanospheres (phospholipids) as well as Primaspheres and Primasponges (Chitosan, Alysol phosphates ) and Alginate ,
  • such substances are preferably considered as gel formers drawn, which show the property in aqueous solution at temperatures above of 40 ° C to form gels.
  • Typical examples are heteropolysaccharides and proteins.
  • Agaroses are preferably used as thermogelating heteropolysaccharides in question, which together in the form of the agar agar to be obtained from red algae with up to 30% by weight of non-gel-forming agaropectins.
  • the main constituent of the agaroses are linear polysaccharides from D-galactose and 3,6-anhydro-L-galactose, which are linked alternately ⁇ -1,3- and ⁇ -1,4-glycosidically.
  • the heteropolysaccharides preferably have a molecular weight in the range from 110,000 to 160,000 and are both colorless and tasteless.
  • Pectins, xanthans (also xanthan gum) and mixtures thereof can be used. Those types which are still in 1% by weight aqueous solution are also preferred Form gels that do not melt below 80 ° C and are already above of 40 ° C solidify again. From the group of thermogeling proteins the different types of gelatin are mentioned as examples.
  • Chitosans are biopolymers and belong to the group of hydrocolloids. From a chemical point of view, these are partially deacetylated chitins of different molecular weights that contain the following - idealized - monomer unit: In contrast to most hydrocolloids, which are negatively charged in the range of biological pH values, chitosans are cationic biopolymers under these conditions. The positively charged chitosans can interact with oppositely charged surfaces and are therefore used in cosmetic hair and body care products as well as pharmaceuticals Preparations used. The production of chitosans is based on chitin, preferably the shell remains of crustaceans, which are available in large quantities as cheap raw materials.
  • the chitin is used in a process that was first developed by Hackmann et al. has been described, usually first deproteinized by adding bases, demineralized by adding mineral acids and finally deacetylated by adding strong bases, it being possible for the molecular weights to be distributed over a broad spectrum.
  • Those types are preferably used which have an average molecular weight of 10,000 to 500,000 or 800,000 to 1,200,000 Daltons and / or a Brookfield viscosity (1% by weight in glycolic acid) below 5000 mPas, a degree of deacetylation in the range have from 80 to 88% and an ash content of less than 0.3% by weight.
  • the chitosans are generally used in the form of their salts, preferably as glycolates.
  • the matrix can optionally be dispersed in an oil phase before the membrane is formed.
  • Suitable oils for this purpose are, for example, Guerbet alcohols based on fatty alcohols having 6 to 18, preferably 8 to 10 carbon atoms, esters of linear C 6 -C 22 fatty acids with linear C 6 -C 22 fatty alcohols, esters of branched C 6 -C 13 carboxylic acids with linear C 6 -C 22 -fatty alcohols, such as myristyl myristate, myristyl palmitate, myristyl stearate, Myristylisostearat, myristyl, Myristylbehenat, Myristylerucat, cetyl myristate, cetyl palmitate, cetyl stearate, Cetylisostearat, cetyl oleate, cetyl behenate, Cetylerucat, Stearylmyristat, stearyl palmitate, stearyl stearate, Steary
  • esters of linear C 6 -C 22 fatty acids with branched alcohols in particular 2-ethylhexanol
  • esters of hydroxycarboxylic acids with linear or branched C 6 -C 22 fatty alcohols in particular dioctyl malates
  • esters of linear and / or branched fatty acids are also suitable polyhydric alcohols (such as propylene glycol, dimer diol or trimer triol) and / or Guerbet alcohols, triglycerides based on C 6 -C 10 fatty acids, liquid mono- / di- / triglyceride mixtures based on C 6 -C 18 fatty acids, esters of C 6 -C 22 fatty alcohols and / or Guerbet alcohols with aromatic carboxylic acids, especially benzoic acid, esters of C 2 -C 12 dicarboxylic acids with linear or branched alcohols with 1 to 22 carbon atoms or polyols with 2 to 10 carbon atom
  • Finsolv® TN linear or branched, symmetrical or unsymmetrical dialkyl ethers with 6 to 22 carbon atoms per alkyl group, ring opening products of epoxidized fatty acid esters with polyols, silicone oils and / or aliphatic or naphthenic Hydrocarbons, such as squalane, squalene or dialkylcyclohexanes.
  • the anionic polymers have the task of forming membranes with the chitosans. Salts of alginic acid are preferably suitable for this purpose.
  • Alginic acid is a mixture of carboxyl-containing polysaccharides with the following idealized monomer unit:
  • the average molecular weight of the alginic acids or alginates is in the range from 150,000 to 250,000.
  • Salts of alginic acid are to be understood to mean both their complete and their partial neutralization products, in particular the alkali metal salts and preferably the sodium alginate ( “ algin”) and the ammonium and alkaline earth metal salts.
  • Mixed alginates such as sodium / magnesium or sodium / calcium alginates, are particularly preferred.
  • anionic chitosan derivatives such as carboxylation and especially succinylation products, are also suitable for this purpose.
  • poly (meth) acrylates with average molecular weights in the range from 5,000 to 50,000 daltons and the various carboxymethyl celluloses are also suitable.
  • anionic polymers anionic surfactants or low molecular weight inorganic salts, such as, for example, pyrophosphates, can also be used for the formation of the envelope membrane.
  • the microcapsules are usually prepared in a 1 to 10, preferably 2 to 5 % By weight aqueous solution of the gel former, preferably the agar, and heated this under reflux. At boiling point, preferably at 80 to 100 ° C, a second added aqueous solution containing the chitosan in amounts of 0.1 to 2, preferably 0.25 up to 0.5% by weight and the active compounds in amounts of 0.1 to 25 and in particular 0.25 to 10 % By weight; this mixture is called the matrix.
  • the loading of the microcapsules with active ingredients can therefore also 0.1 to 25 wt .-% based on the capsule weight be.
  • water-insoluble ones can also be used at this time to adjust the viscosity Components, for example inorganic pigments, are added, where they are usually added in the form of aqueous or aqueous / alcoholic dispersions.
  • inorganic pigments for example inorganic pigments
  • the Matrix of gelling agent, chitosan and active ingredients the matrix can optionally in an oil phase be dispersed very finely under strong shear in order to be encapsulated in the following to produce the smallest possible particles.
  • the resulting aqueous Preparations generally have a microcapsule content in the range from 1 to 10% by weight on.
  • the solution of the polymers is further Contains ingredients, such as emulsifiers or preservatives.
  • emulsifiers or preservatives After filtration microcapsules are obtained which preferably have an average diameter in the range of have about 1 mm. It is advisable to sift the capsules to get one if possible ensure even size distribution.
  • the microcapsules obtained in this way can manufacturing-related frames have any shape, but they are preferably approximate spherical.
  • the anionic polymers can also be used to prepare the Insert the matrix and encapsulate it with the chitosans.
  • an O / W emulsion is first prepared, which in addition to the oil body, water and Active ingredients contain an effective amount of emulsifier. This is used to manufacture the matrix Preparation with vigorous stirring with an appropriate amount of an aqueous anion polymer solution added.
  • Polysaccharides in particular Xanthan gum, guar guar, agar agar, alginates and tyloses, carboxymethyl cellulose and Hydroxyethylcellulose, higher molecular weight polyethylene glycol mono- and diesters of fatty acids, Polyacrylates, polyacrylamides and the like can still be supported. Finally the microcapsules are removed from the aqueous phase, for example by decanting, Filter or centrifuge separated.
  • the preparations can usually contain microencapsulated active ingredients in amounts of 0.1 up to 10, preferably 1 to 8 and in particular 2 to 5% by weight, based on the composition.
  • the agents are aqueous solutions that are only which contain microcapsules and, if appropriate, suitable thickeners. This is for example in the case of laundry treatment agents of the ironing aid type which the laundry is treated immediately before ironing.
  • the preparations can be used all still anionic, nonionic, cationic and / or amphoteric or zwitterionic Contain surfactants.
  • anionic surfactants are soaps, alkylbenzenesulfonates, alkanesulfonates, Olefin sulfonates, alkyl ether sulfonates, glycerol ether sulfonates, ⁇ -methyl ester sulfonates, sulfo fatty acids, Alkyl sulfates, fatty alcohol ether sulfates, glycerol ether sulfates, hydroxy mixed ether sulfates, Monoglyceride (ether) sulfates, fatty acid amide (ether) sulfates, mono- and dialkyl sulfosuccinates, Mono- and dialkyl sulfosuccinamates, sulfotriglycerides, amide soaps, ether carboxylic acids and their salts, fatty acid isethionates, fatty acid sarcosinates, fatty acid taurides, N-
  • anionic surfactants polyglycol ether chains contain, these can be a conventional, but preferably a narrow homolog distribution exhibit.
  • Alkylbenzenesulfonates, alkylsulfates, soaps, Alkane sulfonates, olefin sulfonates, methyl ester sulfonates and mixtures thereof are used.
  • Preferred alkylbenzenesulfonates follow the formula (I) R 1 -Ph-SO 3 X in which R 1 is a branched but preferably linear alkyl radical having 10 to 18 carbon atoms, Ph is a phenyl radical and X is an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
  • R 1 is a branched but preferably linear alkyl radical having 10 to 18 carbon atoms
  • Ph is a phenyl radical
  • X is an alkali and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
  • dodecylbenzenesulfonates, tetradecylbenzenesulfonates, hexadecylbenzenesulfonates and their technical mixtures in the form of the sodium salts are particularly suitable
  • Alkyl and / or alkenyl sulfates which are also often referred to as fatty alcohol sulfates, are to be understood as meaning the sulfation products of primary and / or secondary alcohols, which preferably follow the formula (II) R 2 O-SO 3 X in which R 2 represents a linear or branched, aliphatic alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms and X represents an alkali metal and / or alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium.
  • alkyl sulfates which can be used in the context of the invention are the sulfation products of capron alcohol, caprylic alcohol, capric alcohol, 2-ethylhexyl alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, aryl selenyl alcohol, elaidyl alcohol, Behenyl alcohol and erucyl alcohol and their technical mixtures, which are obtained by high pressure hydrogenation of technical methyl ester fractions or aldehydes from Roelen's oxosynthesis.
  • the sulfation products can preferably be used in the form of their alkali metal salts and in particular their sodium salts.
  • Alkyl sulfates based on C 16/18 tallow fatty alcohols or vegetable fatty alcohols of comparable C chain distribution in the form of their sodium salts are particularly preferred.
  • these are oxo alcohols, as are obtainable, for example, by converting carbon monoxide and hydrogen to alpha-containing olefins using the shop process.
  • Such alcohol mixtures are commercially available under the trade names Dobanol® or Neodol®. Suitable alcohol mixtures are Dobanol 91®, 23®, 25®, 45®.
  • oxo alcohols such as those obtained by the classic Enichema or Condea oxo process by adding carbon monoxide and hydrogen to olefins.
  • These alcohol mixtures are a mixture of strongly branched alcohols.
  • Such alcohol mixtures are commercially available under the trade name Lial®.
  • Suitable alcohol mixtures are Lial 91®, 111®, 123®, 125®, 145®.
  • Soaps are to be understood as meaning fatty acid salts of the formula (III) R 3 CO-OX in which R 3 CO represents a linear or branched, saturated or unsaturated acyl radical having 6 to 22 and preferably 12 to 18 carbon atoms and again X represents alkali and / or alkaline earth metal, ammonium, alkylammonium or alkanolammonium.
  • Typical examples are the sodium, potassium, magnesium, ammonium and triethanolammonium salts of caproic acid, caprylic acid, 2-ethylhexanoic acid, capric acid, lauric acid, isotridecanoic acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaoleic acid, petoleic acid, linoleic acid, petoleic acid, linoleic acid, petoleic acid, linoleic acid, linoleic acid, Linolenic acid, elaeostearic acid, arachic acid, gadoleic acid, behenic acid and erucic acid and their technical mixtures.
  • coconut or palm kernel fatty acid is preferably used in the form of its sodium or potassium salts.
  • nonionic surfactants are fatty alcohol polyglycol ethers, alkylphenol polyglycol ethers, Fatty acid polyglycol ester, fatty acid amide polyglycol ether, fatty amine polyglycol ether, alkoxylated triglycerides, mixed ethers or mixed formals, alk (en) yl oligoglycosides, Fatty acid-N-alkylglucamides, protein hydrolyzates (especially vegetable products based on wheat), Polyol fatty acid esters, sugar esters, sorbitan esters, polysorbates and amine oxides.
  • nonionic surfactants contain polyglycol ether chains, these can be a conventional, but preferably have a narrow homolog distribution. Preferably become fatty alcohol polyglycol ethers, alkoxylated fatty acid lower alkyl esters or alkyl oligoglucosides used.
  • the preferred fatty alcohol polyglycol ethers follow the formula (IV) R 4 O (CH 2 CHR 5 O) n1 H in which R 4 represents a linear or branched alkyl and / or alkenyl radical having 6 to 22, preferably 12 to 18 carbon atoms, R 5 represents hydrogen or methyl and n1 represents numbers from 1 to 20.
  • Typical examples are the addition products of an average of 1 to 20 and preferably 5 to 10 moles of ethylene and / or propylene oxide with capron alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, oleyl alcohol, isostyl alcohol , Petroselinyl alcohol, linolyl alcohol, linolenyl alcohol, elaeostearyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and brassidyl alcohol and their technical mixtures. Addition products of 3, 5 or 7 moles of ethylene oxide onto technical coconut oil alcohols are particularly preferred.
  • Suitable alkoxylated fatty acid lower alkyl esters are surfactants of the formula (V) R 6 CO- (OCH 2 CHR 7 ) n2 OR 8 in which R 6 CO is a linear or branched, saturated and / or unsaturated acyl radical having 6 to 22 carbon atoms, R 7 is hydrogen or methyl, R 8 is a linear or branched alkyl radical having 1 to 4 carbon atoms and n2 is a number from 1 to 20 stands.
  • Typical examples are the formal insert products of on average 1 to 20 and preferably 5 to 10 moles of ethylene and / or propylene oxide in the methyl, ethyl, propyl, isopropyl, butyl and tert-butyl esters of caproic acid, caprylic acid, 2 -Ethylhexanoic acid, capric acid, lauric acid, isotridecanoic acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, elaeostearic acid, arachidic acid, gadoleic acid, behenic acid and technical grade and erucas.
  • the products are usually prepared by inserting the alkylene oxides into the carbonyl ester bond in the presence of special catalysts, such as, for example, calcined hydrotalcite. Reaction products of an average of 5 to 10 moles of ethylene oxide into the ester linkage of technical coconut fatty acid methyl esters are particularly preferred.
  • Alkyl and alkenyl oligoglycosides which are also preferred nonionic surfactants, usually follow the formula (VI), R 9 O- [G] p in which R 8 is an alkyl and / or alkenyl radical having 4 to 22 carbon atoms, G is a sugar radical having 5 or 6 carbon atoms and p is a number from 1 to 10. They can be obtained according to the relevant procedures in preparative organic chemistry.
  • the alkyl and / or alkenyl oligoglycosides can be derived from aldoses or ketoses with 5 or 6 carbon atoms, preferably glucose.
  • the preferred alkyl and / or alkenyl oligoglycosides are thus alkyl and / or alkenyl oligo glucosides.
  • Alkyl and / or alkenyl oligoglycosides with an average degree of oligomerization p of 1.1 to 3.0 are preferably used. From an application point of view, preference is given to those alkyl and / or alkenyl oligoglycosides whose degree of oligomerization is less than 1.7 and is in particular between 1.2 and 1.4.
  • the alkyl or alkenyl radical R 9 can be derived from primary alcohols having 4 to 11, preferably 8 to 10, carbon atoms.
  • Typical examples are butanol, capronic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol and their technical mixtures, such as are obtained, for example, in the hydrogenation of technical fatty acid methyl esters or in the course of the hydrogenation of aldehydes from Roelen's oxosynthesis.
  • the alkyl or alkenyl radical R 9 can also be derived from primary alcohols having 12 to 22, preferably 12 to 14, carbon atoms. Typical examples are lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol, brassidyl alcohol and their technical mixtures, which can be obtained as described above. Alkyl oligoglucosides based on hardened C 12/14 coconut alcohol with a DP of 1 to 3 are preferred.
  • cationic surfactants are, in particular, tetraalkylammonium compounds, such as, for example, dimethyldistearylammonium chloride or hydroxyethyl hydroxycetyldimmonium chloride (Dehyquart E), or else esterquats, which are typically a constituent of finishing agents.
  • tetraalkylammonium compounds such as, for example, dimethyldistearylammonium chloride or hydroxyethyl hydroxycetyldimmonium chloride (Dehyquart E), or else esterquats, which are typically a constituent of finishing agents.
  • R 10 CO for an acyl radical with 6 to 22 carbon atoms
  • R 11 and R 12 independently of one another for hydrogen or R 10 CO
  • R 11 for an alkyl radical with 1 to 4 carbon atoms or a (CH 2 CH 2 O) m4 H- Group
  • m1, m2 and m3 in total for 0 or numbers from 1 to 12
  • m4 for numbers from 1 to 12 and Y for halide
  • ester quats that can be used in the context of the invention are products based on caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, isostearic acid, stearic acid, oleic acid, elaidic acid, arachic acid, behenic acid and erucic acid and their technical mixtures, such as they occur, for example, in the pressure splitting of natural fats and oils.
  • Technical C 12/18 coconut fatty acids and in particular partially hardened C 16/18 tallow or palm fatty acids as well as C 16/18 fatty acid cuts rich in elaidic acid are preferably used.
  • the fatty acids and the triethanolamine can be used in a molar ratio of 1.1: 1 to 3: 1 to produce the quaternized esters.
  • an application ratio of 1.2: 1 to 2.2: 1, preferably 1.5: 1 to 1.9: 1 has proven to be particularly advantageous.
  • the preferred esterquats are technical mixtures of mono-, di- and triesters with an average degree of esterification of 1.5 to 1.9 and are derived from technical C 16/18 - tallow or palm fatty acid (iodine number 0 to 40).
  • quaternized fatty acid triethanolamine ester salts of the formula (VII) have proven to be particularly advantageous in which R 10 CO for an acyl radical having 16 to 18 carbon atoms, R 11 for R 10 CO, R 12 for hydrogen, R 13 for a methyl group, m1 , m2 and m3 stands for 0 and Y for methyl sulfate.
  • quaternized ester salts of fatty acids with diethanolalkylamines of the formula (VIII) may also be used as ester quats.
  • R 14 CO for an acyl radical with 6 to 22 carbon atoms
  • R 15 for hydrogen or R 14 CO
  • R 16 and R 17 independently of one another for alkyl radicals with 1 to 4 carbon atoms
  • m5 and m6 in total for 0 or numbers from 1 to 12
  • Y again represents halide, alkyl sulfate or alkyl phosphate.
  • ester salts of fatty acids with 1,2-dihydroxypropyl dialkylamines of the formula (IX) should be mentioned as a further group of suitable ester quats, in which R 18 CO for an acyl radical with 6 to 22 carbon atoms, R 19 for hydrogen or R 18 CO, R 20 , R 21 and R 22 independently of one another for alkyl radicals with 1 to 4 carbon atoms, m7 and m8 in total for 0 or numbers from 1 to 12 and X again represents halide, alkyl sulfate or alkyl phosphate.
  • suitable esterquats are substances in which the ester bond is replaced by an amide bond and which preferably follow the formula (X) based on diethylenetriamine, in which R 23 CO represents an acyl radical having 6 to 22 carbon atoms, R 24 represents hydrogen or R 23 CO, R 25 and R 26 independently of one another represent alkyl radicals having 1 to 4 carbon atoms and Y again represents halide, alkyl sulfate or alkyl phosphate.
  • Such amide ester quats are available on the market, for example, under the Incroquat® (Croda) brand.
  • alkyl betaines examples include alkyl betaines, alkyl amido betaines, aminopropionates, aminoglycinates, imidazolinium betaines and sulfobetaines.
  • alkyl betaines are the carboxyalkylation products of secondary and in particular tertiary amines which follow the formula (XI) in which R 27 for alkyl and / or alkenyl radicals with 6 to 22 carbon atoms, R 28 for hydrogen or alkyl radicals with 1 to 4 carbon atoms, R 29 for alkyl radicals with 1 to 4 carbon atoms, q1 for numbers from 1 to 6 and Z for a Alkali and / or alkaline earth metal or ammonium.
  • Typical examples are the carboxymethylation products of hexylmethylamine, hexyldimethylamine, octyldimethylamine, decyldimethylamine, dodecylmethylamine, dodecyldimethylamine, Dodecylethylmethylamin, C 12/14 -Kokosalkyldimethylamin, myristyldimethylamine, cetyldimethylamine, stearyldimethylamine, stearyl, oleyl, C 16/18 tallow alkyl dimethyl amine and technical mixtures thereof.
  • Carboxyalkylation products of amidoamines which follow the formula (XII) are also suitable, in which R 30 CO for an aliphatic acyl radical with 6 to 22 carbon atoms and 0 or 1 to 3 double bonds, R 31 for hydrogen or alkyl radicals with 1 to 4 carbon atoms, R 32 for alkyl radicals with 1 to 4 carbon atoms, q2 for numbers from 1 to 6, q3 for numbers from 1 to 3 and Z again represents an alkali and / or alkaline earth metal or ammonium.
  • Typical examples are reaction products of fatty acids with 6 to 22 carbon atoms, namely caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, palmoleic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, elaeostearic acid, gadoleic acid and arachic acid, arachic acid and their technical mixtures, with N, N-dimethylaminoethylamine, N, N-dimethylaminopropylamine, N, N-diethylaminoethylamine and N, N-diethylaminopropylamine, which are condensed with sodium chloroacetate.
  • condensation product of C 8/18 coconut fatty acid N, N-dimethylaminopropylamide with sodium chloroacetate is preferred.
  • Imidazolinium betaines are also suitable. These substances are also known substances which can be obtained, for example, by cyclizing condensation of 1 or 2 moles of fatty acid with polyhydric amines such as, for example, aminoethyl ethanolamine (AEEA) or diethylene triamine.
  • AEEA aminoethyl ethanolamine
  • the corresponding carboxyalkylation products are mixtures of different open-chain betaines.
  • Typical examples are condensation products of the above-mentioned fatty acids with AEEA, preferably imidazolines based on lauric acid or again C 12/14 coconut fatty acid, which are subsequently betainized with sodium chloroacetate.
  • the preparations impart such a high viscosity that the microcapsules remain stably dispersed, i.e. do not sediment over time.
  • the term increased viscosity is therefore a to understand such rheology which stabilizes the microcapsules in the aqueous (surfactant) phase ensures.
  • Such viscosities are usually (determined according to Brookfield, RVT viscometer, 20 ° C, spindle 1, 10 rpm) above 100 and preferably above 500 mPas, preferably in the range from 200 to 2,000 and in particular 500 to 1,000 mPas.
  • Suitable thickeners are all the substances that make up the formulations give correspondingly high viscosity.
  • polymeric Compounds are preferably polymeric Compounds, since these are able to form a three-dimensional in the aqueous preparations To build a network in which the microcapsules are stabilized.
  • Typical examples are Aerosil types (hydrophilic silicas), polysaccharides, especially xanthan gum, Guar guar, agar agar, alginates and tyloses, carboxymethyl cellulose and hydroxyethyl and Hydroxypropyl cellulose, also higher molecular weight polyethylene glycol mono- and diesters of fatty acids, polyacrylates, (e.g.
  • Bentonites such as Bentone® Gel VS-5PC (Rheox) proven to be a mixture of cyclopentasiloxane, disteardimonium hectorite and propylene carbonate.
  • the proportion of these thickeners in the aqueous preparations can be 0.1 to 5, preferably 0.5 to 3 and in particular 1 to 2% by weight.
  • Two other objects of the present invention relate to a method for improvement the ironing behavior of textiles, in which the fibers, yarns or textile fabrics are used with microencapsulated active ingredients selected from the group which is formed by silicone compounds, paraffin waxes and polyolefin waxes as well the use of microencapsulated silicone compounds, paraffin waxes and / or Polyolefin waxes for the production of laundry treatment agents.
  • microencapsulated active ingredients selected from the group which is formed by silicone compounds, paraffin waxes and polyolefin waxes as well the use of microencapsulated silicone compounds, paraffin waxes and / or Polyolefin waxes for the production of laundry treatment agents.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Textile Engineering (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicinal Preparation (AREA)
EP03003176A 2003-02-18 2003-02-18 Compositions aqueuses contenant des matières actives microencapsulées Expired - Lifetime EP1449911B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP03003176A EP1449911B1 (fr) 2003-02-18 2003-02-18 Compositions aqueuses contenant des matières actives microencapsulées
DE50307461T DE50307461D1 (de) 2003-02-18 2003-02-18 Wässrige Zubereitungen mit mikroverkapselten Wirkstoffen
ES03003176T ES2286341T3 (es) 2003-02-18 2003-02-18 Preparaciones acuosas con productos activvos microencasulados.
AT03003176T ATE364681T1 (de) 2003-02-18 2003-02-18 Wässrige zubereitungen mit mikroverkapselten wirkstoffen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03003176A EP1449911B1 (fr) 2003-02-18 2003-02-18 Compositions aqueuses contenant des matières actives microencapsulées

Publications (2)

Publication Number Publication Date
EP1449911A1 true EP1449911A1 (fr) 2004-08-25
EP1449911B1 EP1449911B1 (fr) 2007-06-13

Family

ID=32731520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003176A Expired - Lifetime EP1449911B1 (fr) 2003-02-18 2003-02-18 Compositions aqueuses contenant des matières actives microencapsulées

Country Status (4)

Country Link
EP (1) EP1449911B1 (fr)
AT (1) ATE364681T1 (fr)
DE (1) DE50307461D1 (fr)
ES (1) ES2286341T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2882765A1 (fr) * 2005-03-07 2006-09-08 Rowenta Werke Gmbh Ges Mit Bes Appareil pour repasser ou defroisser le linge comportant un reservoir d'additif
CN103806285A (zh) * 2013-10-11 2014-05-21 天津市中科健新材料技术有限公司 一种用于卫生制品的恒温无纺布制备方法
EP2688996B1 (fr) 2011-03-22 2015-05-06 Henkel AG&Co. KGAA Lessive liquide comprenant des capsules

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632296A (en) * 1968-04-12 1972-01-04 Cluett Peabody & Co Inc Application of reactants and/or catalysts to textile fabrics in microencapsulated form
DE2632318A1 (de) * 1975-07-21 1977-02-17 Procter & Gamble Zur verwendung in fluessigen textilkonditioniermitteln geeignete kapseln
WO2001001927A1 (fr) * 1999-07-02 2001-01-11 Primacare S.A. Microcapsules - i
WO2001025385A1 (fr) * 1999-10-05 2001-04-12 Ciba Specialty Chemicals Holding Inc. Compositions adoucissantes pour tissus
WO2001062376A1 (fr) * 2000-02-23 2001-08-30 Henkel Kommanditgesellschaft Auf Aktien Micro- et/ou nanocapsules
EP1201818A1 (fr) * 2000-10-27 2002-05-02 The Procter & Gamble Company Procédé pour le repassage du linge, et cartouche de recharge pour fers à repasser
WO2002064725A1 (fr) * 2001-02-12 2002-08-22 The Procter & Gamble Company Systeme d'administration pourvu d'un support poreux encapsule charge d'additifs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632296A (en) * 1968-04-12 1972-01-04 Cluett Peabody & Co Inc Application of reactants and/or catalysts to textile fabrics in microencapsulated form
DE2632318A1 (de) * 1975-07-21 1977-02-17 Procter & Gamble Zur verwendung in fluessigen textilkonditioniermitteln geeignete kapseln
WO2001001927A1 (fr) * 1999-07-02 2001-01-11 Primacare S.A. Microcapsules - i
WO2001025385A1 (fr) * 1999-10-05 2001-04-12 Ciba Specialty Chemicals Holding Inc. Compositions adoucissantes pour tissus
WO2001062376A1 (fr) * 2000-02-23 2001-08-30 Henkel Kommanditgesellschaft Auf Aktien Micro- et/ou nanocapsules
EP1201818A1 (fr) * 2000-10-27 2002-05-02 The Procter & Gamble Company Procédé pour le repassage du linge, et cartouche de recharge pour fers à repasser
WO2002064725A1 (fr) * 2001-02-12 2002-08-22 The Procter & Gamble Company Systeme d'administration pourvu d'un support poreux encapsule charge d'additifs

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2882765A1 (fr) * 2005-03-07 2006-09-08 Rowenta Werke Gmbh Ges Mit Bes Appareil pour repasser ou defroisser le linge comportant un reservoir d'additif
WO2006095226A1 (fr) * 2005-03-07 2006-09-14 Rowenta Werke Gmbh Appareil pour repasser ou defroisser le linge comportant un reservoir d'additif
US7661212B2 (en) 2005-03-07 2010-02-16 Rowenta Werke Gmbh Appliance for ironing or steaming linen, comprising a container for additive
CN101133203B (zh) * 2005-03-07 2011-05-04 罗文塔公司 用于熨或者整平衣物的包括添加剂容器的设备
EP2688996B1 (fr) 2011-03-22 2015-05-06 Henkel AG&Co. KGAA Lessive liquide comprenant des capsules
CN103806285A (zh) * 2013-10-11 2014-05-21 天津市中科健新材料技术有限公司 一种用于卫生制品的恒温无纺布制备方法
CN103806285B (zh) * 2013-10-11 2016-05-11 天津市中科健新材料技术有限公司 一种用于卫生制品的恒温无纺布制备方法

Also Published As

Publication number Publication date
ATE364681T1 (de) 2007-07-15
ES2286341T3 (es) 2007-12-01
DE50307461D1 (de) 2007-07-26
EP1449911B1 (fr) 2007-06-13

Similar Documents

Publication Publication Date Title
EP1359247B1 (fr) Fibres et tissus finis avec des microcapsules
EP1715834B1 (fr) Micro-emulsions
EP2694014A2 (fr) Produit de soin capillaire
EP1449912B1 (fr) Compositions aqueuses contenant des matières actives microencapsulées
EP3038590B1 (fr) Produit cosmétique
EP1359212B1 (fr) Preparations tensioactives comprenant des ingredients actifs micro-encapsules
EP1358872B1 (fr) Utilisation d'un mélange d'actifs comprenant l'acide azelaique et l'acide glycyrrhétique dans le traitement de l'acne
WO2002076604A1 (fr) Microcapsules (viii)
EP1449911B1 (fr) Compositions aqueuses contenant des matières actives microencapsulées
EP1359213B1 (fr) Compositions tensioactives aqueuses
EP1358876B1 (fr) Microcapsules contenant des actifs antiacneiques
EP1243321A1 (fr) Microcapsules (IX)
EP1378564A1 (fr) Détergents liquides en portions
DE10213031A1 (de) Verwendung von Extrakten des Olivenbaumes in Wasch-, Spül- und Reinigungsmitteln
EP1167618A1 (fr) Agent auxiliaire pour textiles
EP1430947A1 (fr) Microparticules a compartiments multiples contenant des cristaux liquides
WO2004009095A1 (fr) Utilisation de compositions contenant benzoyl peroxyde et acide glycyrrhetinique dans le traitement de l'acne
EP1243322A1 (fr) Microcapsules (X)
EP1462013A1 (fr) Microcapsules faites d'une matrice contenant de l'hydroxytyrosol et qui est recouverte
DE10307389A1 (de) Anti-Aknemittel
DE10329685A1 (de) Mikrokapseln (XXV)
DE10307388A1 (de) Glyzyrrhetinsäureester
EP1657299A1 (fr) Microcapsules
DE102004006405A1 (de) Drucklabile Mikrokapseln
EP1382342A1 (fr) Utilisation de compositions comprenant de l'acide glycyrrhetinique et l'acide salicylique pour le traitement de l'acné

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030218

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COGNIS IP MANAGEMENT GMBH

17Q First examination report despatched

Effective date: 20050513

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 50307461

Country of ref document: DE

Date of ref document: 20070726

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070913

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20070905

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2286341

Country of ref document: ES

Kind code of ref document: T3

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
ET Fr: translation filed
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070913

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070914

26N No opposition filed

Effective date: 20080314

BERE Be: lapsed

Owner name: COGNIS IP MANAGEMENT G.M.B.H.

Effective date: 20080228

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080228

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080229

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080229

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080228

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080218

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071214

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080218

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070613

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20220222

Year of fee payment: 20

Ref country code: DE

Payment date: 20220225

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20220221

Year of fee payment: 20

Ref country code: FR

Payment date: 20220224

Year of fee payment: 20

Ref country code: ES

Payment date: 20220311

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50307461

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20230217

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20230427

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20230217

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20230219