Patent ID: 7722859
Filing Date: 2010-05-25
Classification: A61K,A61Q,C08F

Abstract:
1. A cosmetic or pharmaceutical composition for use on keratin materials, said composition comprising an aqueous composition comprising a grafted polymer, said grafted polymer having a backbone comprising (1) water-soluble units and bearing grafts of (2) at least one LCST; wherein said (1) water-soluble units comprise at least one monomer A selected from the group consisting of (meth)acrylic acid, a (meth)acrylic acid organic salt, a (meth)acrylic acid inorganic salt, and mixtures thereof, wherein said water-soluble units bear at least two grafting sites forming a covalent bond with said LCST; and wherein said (2) LCST comprises one or more LCST units having a lower critical solution temperature, a molar mass of between 1,500 and 5,300 g/mol, and at least one grafting site forming a covalent bond with said water-soluble units, wherein said LCST units comprise random copolymers of ethylene oxide and propylene oxide, having an ethylene oxide number of from 1 to 40 and a propylene oxide number of from 15 to 60, and salts thereof.