Patent ID: 6242161
Filing Date: 2001-06-05
Classification: C08F,G03F,Y10T

Abstract:
A copolymer having structural units represented by the following general formulas (1) and (2): ##STR13##wherein R.sub.1 represents a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 6 carbon atoms, a nitro group, a primary amino group, a hydroxyl group, an acyl group, a carboxyl group, a sulfone group or a mercapto group, and, when present in plurality, R.sub.1 's are the same or different; R.sub.2 represents a hydrogen atom or a methyl group; and m represents an integer of 1 to 9; ##STR14##wherein R.sub.3 represents a hydrogen atom or a methyl group, and R.sub.4 represents a hydrogen atom or an organic group.