Patent ID: 7855260
Filing Date: 2010-12-21
Classification: C04B,C08F

Abstract:
1. A copolymer comprising two monomer components, wherein component a) is an olefinic unsaturated monocarboxylic acid comonomer or an ester or a salt thereof or an olefinic unsaturated sulfuric acid comonomer or a salt thereof, and component b) is a comonomer of formula (I) wherein R and wherein R 2 is H or an aliphatic hydrocarbon group having from 1 to 5 carbon atoms, R 3 is a non-substituted or substituted aryl group, and R 4 is H or an aliphatic hydrocarbon group having from 1 to 20 carbon atoms, a cycloaliphatic hydrocarbon group having from 5 to 8 carbon atoms, a substituted aryl group having from 6 to 14 carbon atoms or a compound selected from the group wherein R