Patent ID: 8262947

Claim:
A benzotriazole compound of the formula wherein X═C 3 -C 4 alkenyl, C 3 -C 4 alkyl, CH 2 CH 2 CH 2 SCH 2 CH 2 or CH 2 CH 2 CH 2 SCH 2 CH 2 CH 2 ; Y=nothing if X═C 3 -C 4 alkenyl, otherwise Y═—O—C(═O)—C(R 1 )═CH 2 , —O—C(═O)NHCH 2 CH 2 OC(═O)—C(R 1 )═CH 2 , or —O—C(═O)NHC(CH 3 ) 2 (C 6 H 4 )C(CH 3 )═CH 2 ; R 1 ═H, CH 3 , CH 2 CH 3 , or CH 2 OH; R 2 ═C 1 -C 4 alkyl; and R 3 ═H, CH 3 , CH 3 O, F, Cl, Br, I, or CF 3 .