Patent ID: 6224851
Filing Date: 2001-05-01
Classification: A61K,A61Q,Y10S

Abstract:
A process for making transfer resistant make-up or sun-screen cosmetic composition containing particles of a substance selected from the group consisting of a pigment, filler and mixtures thereof, which consists of introducing into the said composition, a sufficient amount, as an anti-transfer agent, of a least one volatile solvent having a vapour pressure of more than 20 mbars (2000 Pa) at 25.degree. C. said volatile solvent is a fluoroalkyl or heterofluoroalkyl compound corresponding to the following formula:CH.sub.3 --(CH.sub.2).sub.n --[Z].sub.t -X--CF.sub.3 (II)whereinX is a linear or branched divalent perfluoroalkyl radical containing from 2 to 5 carbon atoms, and Z represents O, S or NR, R being hydrogen, a radical --(CH.sub.2).sub.n --CH.sub.3 or --(CF.sub.2).sub.m --CF.sub.3, m being 2, 3, 4 or 5, n is 0, 1, 2 or 3 and t is 0 or 1.