Hairstyling composition which makes possible remodelling of the hairstyle and process for remodelling the hairstyle using such a composition
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-007/06
A61K-007/11
출원번호
US-0330026
(2002-12-27)
등록번호
US-7335348
(2008-02-26)
우선권정보
FR-00 09406(2000-07-18)
발명자
/ 주소
Giroud,Franck
Samain,Henri
출원인 / 주소
L'Oreal
대리인 / 주소
Jacobson Holman PLLC
인용정보
피인용 횟수 :
3인용 특허 :
10
초록▼
The invention relates to a styling composition comprising, in a physiologically acceptable liquid medium, the combination of at least one film-forming fixing polymer and of at least one crystalline hot-melt polymer which is soluble in the said medium and which has a crystalline melting temperature,
The invention relates to a styling composition comprising, in a physiologically acceptable liquid medium, the combination of at least one film-forming fixing polymer and of at least one crystalline hot-melt polymer which is soluble in the said medium and which has a crystalline melting temperature, measured by differential scanning calorimetry, of between 30�� C. and 80�� C., and to a process for the thermal remodelling of the hair using this composition.
대표청구항▼
What is claimed is: 1. A styling composition comprising, in a physiologically acceptable medium, (a) at least one film-forming fixing polymer, and (b) at least one crystalline hot-melt polymer which is soluble in said medium and has a crystalline melting temperature, measured by differential scanni
What is claimed is: 1. A styling composition comprising, in a physiologically acceptable medium, (a) at least one film-forming fixing polymer, and (b) at least one crystalline hot-melt polymer which is soluble in said medium and has a crystalline melting temperature, measured by differential scanning calorimetry, of between 30�� C. and 80�� C. and wherein said crystalline hot-melt polymer is a copolymer comprising approximately 10% by weight of units derived from acrylic acid and approximately 90% by weight of units derived from octadecyl methacrylate. 2. The styling composition according to claim 1, wherein said crystalline hot-melt polymer comprises i) at least one hydrophobic unit derived from α,β-ethylenic monomers with a C12-50 n-alkyl side chain which forms crystalline homopolymers, said hydrophobic unit being present in an amount of 85% to 98% by weight, and ii) at least one hydrophilic unit derived from α,β-unsaturated C3-6 monocarboxylic acids, unsaturated C4-6 dicarboxylic acids, esters and amides comprising a C1-4 alkyl chain of said monocarboxylic or dicarboxylic acids, hydroxyethyl methacrylate or vinylpyrrolidone, said hydrophilic unit being present in an amount of 2% to 15% by weight. 3. The styling composition of claim 1, wherein said film-forming fixing polymer is selected from the group consisting of anionic, cationic, amphoteric and nonionic film-forming fixing polymers. 4. The styling composition of claim 1, wherein the ratio by weight of said hot-melt polymer (b) to the fixing polymer (a) is between 1/10,000 and 3/1. 5. The styling composition of claim 1, wherein the total amount of the fixing polymer (a) and the hot-melt polymer (b) is between 1% and 20% by weight with respect to the final styling composition. 6. The styling composition of claim 1, wherein said physiologically acceptable liquid medium comprises a solvent selected from the group consisting of water, a lower C1-4 alcohol, acetone, methyl ethyl ketone, ethyl acetate, methyl acetate, butyl acetate, diethoxyethane, dimethoxyethane, a C6-10 alkane, and a mixture thereof. 7. A process for remodelling hair comprising (1) applying the styling composition of claim 1 to the hair, (2) giving the hair a desired shape by heating the hair to a temperature close to or greater than the crystalline melting temperature of the crystalline hot-melt polymer, and (3) allowing the hair to cool to a temperature below said crystalline melting temperature of said crystalline hot-melt polymer. 8. The styling composition of claim 2, wherein the hydrophobic unit is derived from an α,β-ethylenic monomer with a C14-24 n-alkyl side chain. 9. The styling composition of claim 1, wherein the ratio by weight of the hot-melt polymer (b) to the fixing polymer (a) is between 1/200 and 3/5. 10. The styling composition of claim 1, wherein the physiologically acceptable liquid medium is ethanol or isopropanol. 11. The process of claim 7, and further comprising repeating steps (2) and (3). 12. The styling composition according to claim 2, wherein the at least one hydrophobic unit derived from α,β-ethylenic monomers has a C14-24 n-alkyl side chain which forms crystalline homopolymers. 13. The styling composition of claim 12, wherein the ratio by weight of the hot-melt polymer (b) to the fixing polymer (a) is between 1/200 and 3/5.
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