Patent ID: 7847103

Claim:
An ultraviolet light absorbing compound having the formula I: wherein R 1 is hydrogen or a halogen atom or a straight-chain or branched lower alkyl or lower alkoxy of 1 to 4 carbon atoms; R 2 is a phenyl group or a phenyl group substituted by a straight-chain or branched alkyl groups having 1 to 8 carbon atoms or a phenyl group substituted with an alkoxy group having 1 to 4 carbon atoms or a phenyl group substituted by a carboalkoxy group having 2 to 9 carbon atoms or a phenyl group substituted by a carboxyl group; and R 3 is a straight-chain or branched alkyl having 1 to 14 carbon atoms or an alkylaryl group having 7 to 12 carbon atoms or an alkoxy group having 1 to 4 carbon atoms or phenyl, phenyl substituted with an alkyl group, said alkyl groups having 1 to 8 carbon atoms or a cycloalkyl group having 5 to 6 carbon atoms or a carboalkoxy group having 2 to 9 carbon atoms or chlorine or an arylalkyl group having 7 to 9 carbon atoms.