Patent ID: 6329445
Filing Date: 2001-12-11
Classification: C08F,G02B

Abstract:
An ocular lens material comprising a polymer prepared by polymerizing a component for polymerization containing a benzotriazole compound (A) represented by the formula (I): ##STR6##wherein X is hydrogen atom, a halogen atom, an alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 3 carbon atoms, R.sup.1 is a linear or branched alkylene group having 2 to 10 carbon atoms, R.sup.2 is hydrogen atom, methyl group or a halogenated methyl group, R.sup.3 is hydrogen atom, an alkyl group or an aryl group, and each of R.sup.4 and R.sup.5 is independently an alkyl group having 1 to 8 carbon atoms, and at least one monomer (B) copolymerizable with the benzotriazole compound (A).