Patent ID: 7534420
Filing Date: 2009-05-19
Classification: A61K,A61Q,C08F

Abstract:
1. A method of protecting human skin from ultraviolet radiation comprising topically applying to said skin, in a cosmetically acceptable carrier, a composition comprising a mixture of a photoactive compound, and a compound of formula (I): wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are the same or different and selected from the group consisting of C 1 -C 30 alkyl, C 1 -C 30 substituted alkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 substituted cycloalkyl, ester, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, substituted heterocycloalkyl, cyano, and amino, e, g, f, and h are each in the range of 0 to 4, m and n are each in the range of 0 to 5000, and the sum of m plus n is at least 1.