Patent ID: 7981402

Claim:
A method of protecting a composition from ultraviolet radiation, comprising applying to said composition a compound of formula (I): wherein R 2 is (a) phenyl substituted with 0, 1, 2, 3, or 4 R 6 substituents or (b) 1-naphthyl or 2-naphthyl substituted with 0, 1, 2, 3, or 4 R 6 substituents; R 1 is selected from the group consisting of aryl, and substituted aryl; R 3 and R 4 are the same or different and are selected from the group consisting of C 1 -C 30 alkyl, C 3 -C 8 cycloalkyl, substituted alkyl, substituted cycloalkyl, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, and substituted heterocycloalkyl; X is selected from the group consisting of O—C 1 -C 20 alkyl-O—, N(R 7 )—C 1 -C 20 alkyl-N(R 7 )—, and S—C 1 -C 20 alkyl-S—; R 7 is selected from the group consisting of hydrogen and C 1 -C 20 alkyl; R 5 is a structure of formula (II): R 9 is (a) phenyl substituted with 0, 1, 2, 3, or 4 R 10 substituents or (b) 1-naphthyl or 2-naphthyl substituted with 0, 1, 2, 3, or 4 R 10 substituents; R 6 and R 10 are the same or different and are selected from the group consisting of hydrogen, hydroxyl, alkyl, alkenyl, alkynyl, alkoxy, halo, ester, nitro, nitroso, alkylcarbonyl, alkoxycarbonyl, aryl, amino, substituted amino, amido, substituted amido, sulfate, carboxylate, oxycarbonyl, cycloalkyl, haloalkyl, cyano, and thioether; R 8 is selected from the group consisting of aryl, and substituted aryl; and n is an integer from 1 to 500.