Patent ID: 6372204
Filing Date: 2002-04-16
Classification: A61K,A61Q

Abstract:
In a thickener for a composition for topical application, consisting essentially of a water-in-oil reverse emulsion of a copolymer having moieties derived (I) from a monounsaturated monocarboxylic acid monomer containing 3 to 5 carbon atoms, the mono carboxylic acid either being in free form or in the form of an inorganic salt, and (II) from monoacrylamide; the improvement wherein the copolymer also contains a polyfunctional monomer, the copolymer is in solution in the aqueous phase constituting said emulsion, the oil phase of said emulsion consists essentially of a mixture of at least one volatile oil and at least one non-volatile oil and the thickener also comprises at least one non-ionic surfactant selected from the group consisting of alkylpolyglycosides, and wherein the volatile oil is a volatile isoparaffin, and the non-volatile oil is a paraffin or isostearyl isostearate.