Patent ID: 6962692

Claim:
A sunscreen composition, comprising a mixture of a photoactive compound; about 0.1% to about 15% by weight of a compound selected from the group consisting of compounds of formula (IX), compounds of formula (X), and combinations thereof: wherein R 19 , R 20 , R 21 , R 24 , R 25 , R 26 , R 29 , R 30 , R 31 , and R 32 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, ester, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, substituted heterocycloalkyl, and amino; R 17 and R 23 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 cycloa 1 kyl, ester, aryl, heteroaryl, heterocycloalkyl, substituted aryl, substituted heteroaryl, substituted heterocycloalkyl, cyano, and amino; R 18 and R 22 are the same or different and are selected from the group consisting of substituted diphenylmethylene, unsubstitilted diphenylmethylene, substituted 9H-fluorene, and unsubstituted 9H-fluorene; t and u are each in the range of 1 to 100; s is in the range of 0 to 100; and a, b, c, and d are each in the range of 0 to 4; and about 2% to about 15% by weight of a diester or polyester of naphthalene dicarboxylic acid selected from the group consisting of compounds of formula (VII), formula (VIII), and combinations thereof: wherein R 13 and R 14 are the same or different and selected from the group consisting of C 1 -C 22 alkyl groups, diols having the structure HO—R 15 —OH, and polyglycols having the structure HO—R 16 —(—O—R 15 —) n —OH; wherein each R 15 and R 16 is the same or different and selected from the group consisting of C 1 -C 6 straight or branched chain alkyl groups; and wherein m and n are each in a range of 1 to 100 and p is in a range of 0 to 100.