Patent ID: 7045558

Claim:
A radiation curable optical coating composition, comprising an acrylated benzothiazole or methacrylated benzothiazole having structure III wherein R 5 is independently at each occurrence a C 1 –C 20 aliphatic radical, C 3 –C 30 cyclcoaliphatic radical, C 4 –C 20 aromatic radical, halogen, nitro, or cyano group; n is an integer from 0–4; X is a bond, a sulfur atom, selenium atom, SO group (sulfoxide), SO 2 (sulfonyl group), oxygen atom, amino group, carbonyl group, or carbonyloxy group; R 6 is a divalent C 1 –C 20 aliphatic radical, a divalent C 3 –C 30 cycloaliphatic radical, a divalent C 3 –C 30 aromatic radical; and R 7 is hydrogen or methyl.