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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0439525 (2012-04-04) |
등록번호 | US-8927026 (2015-01-06) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 311 |
A shampoo composition that increases the deposition and retention of benefit agent containing polyacrylate microcapsules onto hair during the cleansing process. The shampoo composition is based on the combination of anionic charged polyacrylate microcapsules, cationic deposition polymers, detersive
A shampoo composition that increases the deposition and retention of benefit agent containing polyacrylate microcapsules onto hair during the cleansing process. The shampoo composition is based on the combination of anionic charged polyacrylate microcapsules, cationic deposition polymers, detersive surfactant, and a carrier.
1. A shampoo composition comprising: (a) a premix, the premix comprising from about 0.001% to about 10%, by weight of the shampoo composition, of an anionic charged polyacrylate microcapsule, wherein the anionic charged polyacrylate microcapsule comprises an anionic emulsifier and a polyacrylate mic
1. A shampoo composition comprising: (a) a premix, the premix comprising from about 0.001% to about 10%, by weight of the shampoo composition, of an anionic charged polyacrylate microcapsule, wherein the anionic charged polyacrylate microcapsule comprises an anionic emulsifier and a polyacrylate microcapsule and from about 0.01% to about 2%, by weight of the composition of a cationic deposition polymer;(b) from about 2% to about 25%, by weight of the shampoo composition, of a detersive surfactant; and(c) a carrier. 2. The shampoo composition of claim 1, wherein the anionic charged polyacrylate microcapsule are made by adding the anionic emulsifier to the polyacrylate microcapsule during the polacrylate microcapsule making process. 3. The shampoo composition of claim 1, wherein the anionic charged polyacrylate microcapsule and the cationic deposition polymer are mixed such that the weight ratio of the anionic charged polyacrylate microcapsule to the cationic deposition polymer is from about 1.0:0.01 to about 1.0:10. 4. The shampoo composition of claim 1, wherein the anionic emulsifier is selected from the group consisting of: Poly(meth)acrylic acid; copolymers of (meth)acrylic acids and its (meth)acrylates with C1-C22 alkyl; copolymers of (meth)acrylic acids and (meth)acrylamide; and mixtures thereof. 5. The shampoo composition of claim 1, wherein the anionic charged polyacrylate microcapsule has a particle size of from about 2 microns to about 80 microns. 6. The shampoo composition of claim 1, wherein the polyacrylate microcapsule has a core and a shell that encapsulates said core. 7. The shampoo composition of claim 6, wherein the core comprises from about 6% to about 99.9% of a benefit agent. 8. The shampoo composition of claim 7, wherein the benefit agent is selected from the group consisting of perfumes; brighteners; enzymes; sensates; attractants; dyes; pigments; bleaches; anti-dandruff agents; and mixtures thereof. 9. The shampoo composition of claim 8, wherein the anti-dandruff agent is ZPT. 10. The shampoo composition of claim 1, wherein the cationic deposition polymer is a synthetic polymer or a naturally derived cationic polymer derived from the group consisting of starches, guar, cellulose, cassia, locust bean, Konjac, Tara, galactomanna, and Tapioca starch. 11. The shampoo composition of claim 1, wherein the cationic deposition polymer is a water-soluble polymer with a charge density of from about 0 5 milliequivalents per gram to about 12 milliequivalents per gram, and wherein the cationic deposition polymer has a molecular weight of about 100,000 Daltons to about 5,000,000 Daltons. 12. The shampoo composition of claim 1, wherein the detersive surfactant is anionic, zwitterionic, amphoteric, and combinations thereof. 13. The shampoo composition of claim 1, wherein the carrier comprises either water or water solutions of lower alkyl alcohols and polyhydric alcohols. 14. The shampoo composition of claim 1, wherein the anionic charged polyacrylate microcapsule is contained in an agglomerate, and wherein the agglomerate comprises materials selected from the group consisting of silicas, citric acid, sodium carbonate, sodium sulfate, sodium chloride, and binders such as sodium silicates, modified celluloses, polyethylene glycols, polyacrylates, polyacrylic acids, zeolites and mixtures thereof. 15. The shampoo composition of claim 1, wherein the shampoo composition is in the form of a gel, and wherein the gel comprises less than about 45% water. 16. The shampoo composition of claim 15, wherein the gel has a neat viscosity of about 1,000 cps to about 10,000 cps. 17. A method of making a shampoo composition, said method comprising: a) coating a polyacrylate microcapsule with an anionic emulsifier to form an anionic polyacrylate microcapsule;b) combining the anionic polyacrylate microcapsule with a cationic deposition polymer to form a premix;c) adding the premix to a detersive composition comprising surfactant and a carrier. 18. A method of making a shampoo composition, said method comprising: a) coating a polyacrylate microcapsule with an anionic emulsifier to form an anionic polyacrylate microcapsule;b) combining the anionic polyacrylate microcapsule with a cationic deposition polymer to form a premix;c) adding the premix to a anionic surfactant;d) adding the resulting mixture of step (c) to a detersive composition comprising surfactant and a carrier. 19. The method of making a shampoo composition of claim 18, wherein the anionic surfactant is selected from the group consisting of alkyl and alkyl ester sulfates, and the water soluble salts of organic, and sulfuric acid reaction products.
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