Patent ID: 8535648
Filing Date: 2013-09-17
Classification: A61K,A61Q

Abstract:
1. A method of stabilizing organic UV-sensitive active ingredients selected from a dibenzoylmethane derivative by adding a merocyanine derivative of formula wherein L R R L and each alkyl, alkenyl, alkinyl, cycloalkyl or cycloalkylene group may be unsubstituted or substituted by one or more R and each aryl, heteroaryl, aralkyl, arylene, heteroarylene or aralkylene may be unsubstituted or substituted by one or more R R R R R C R X is a linker; and Sil is a silane-, oligosiloxane or polysiloxane moiety; if n=1 R u is a number from 1 to 12; R if n=2 one of R R if n=3 one of R if n=4 one of R to said active ingredients.