Patent ID: 6486227
Filing Date: 2002-11-26
Classification: C08F,G03F

Abstract:
A photoinitiator having the general formula: wherein Z each independently represents wherein R1, R2, R3 and R4 each independently represent hydrogen, an alkyl group having from one to six carbon atoms, an alkoxy group having from one to six carbon atoms, or a halogen-substituted alkyl group; R5, R6, R7 and R8 each independently represent an alkyl group having from one to six carbon atoms, an aryl group, or a halogen-substituted alkyl group having from one to six carbon atoms; wherein R9 represents (R10)2O or (R10)3N; wherein R10 represents H or an alkyl group having from one to eight carbon atoms; and wherein R11, represents H, an alkyl group having from one to eight carbon atoms, a benzyl group or an aralkyl group.