Patent ID: 7915330
Filing Date: 2011-03-29
Classification: A61K,A61Q,C08K,C09B

Abstract:
1. A method of photostabilizing a photodegradable UV-absorbing compound or polymer comprising adding a photostabilizing amount of a silicone fluid to the photodegradable compound or polymer, wherein the silicone fluid has a formula (2): wherein x is an integer in the range of 60 to 150; y is an integer in the range of 6 to 30; a ratio x:y is in a range of about 10:1 to about 20:1; and X is a photostabilizing chromophore of formula (3): wherein k and l equal zero or one of k and l equals 1 and the other is zero; R is an alkoxide; R′ is an organic linker; m is an integer in a range of zero to about ten; and n is an integer in a range from two to about twenty.