Patent ID: 8664431

Claim:
An intermediate for preparing (meth)acrylated photoinitiators according to Formula (I): wherein: R1 is selected from the group consisting of hydrogen and a methyl group; A represents a group including at least one photoinitiating moiety selected from the group consisting of benzil ketals, α,α-dialkoxyacetophenones,α-hydroxyalkylphenones, α-aminoalkylphenones, acylphosphine oxides, bis-acylphosphine oxides, acylphosphine sulfides, α-haloketones, α-halosulfones, phenylglyoxalates, and thioxanthones; L represents a n+o-valent linking group including at least one carbon atom, but containing not more than 20 carbon atoms; n and o each independently represent an integer from 1 to 4; p is equal to 1; X represents a group selected from the group consisting of CI, Br, I, and R 2 SO 3 ; and R 2 represents an optionally substituted group selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an alkaryl group, an aralkyl group, an aryl group, and a heteroaryl group.