Verwednung in der Kosmetik von Copolymeren mit hydrophilem und steifem Rückgrat, die hydrophobe und flexible Makromonomere als Pfropfzweige tragen, und Zusammensetzungen, die diese Copolymere enthalten

• Main Authors: SEBAG, HENRI, MOUGIN, NATHALIE, LION, BERTRAND, MONDET, JEAN
• Format: Patent
• Language: German
• Published: 21.11.2002
• Edition: 7
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The subject-matter of the present invention is the use, in and for the preparation of cosmetic or dermatological compositions, of a grafted copolymer, the skeleton (S) of which is composed of a hydrophilic copolymer, with a glass transition temperature Tg greater than 25° C., obtained by radical polymerization or by polycondensation, comprising, on the chain of the skeleton (S), at least one graft composed of a hydrophobic macromonomer (M) with a glass transition temperature T'g of less than 25° C., as well as the cosmetic or dermatological compositions employed.