Patent ID: 7151137
Filing Date: 2006-12-19
Classification: A61K,A61Q,C08F,C08L

Abstract:
1. A water-soluble or water-swellable grafted copolymer obtained by free-radical copolymerization of A) 50 to 99.5 wt-% of acryloyldimethyltaurine or acryloyldimethyltaurates, and mixtures thereof, and B) optionally, one or more other olefinically unsaturated, comonomer containing at least one oxygen, nitrogen, sulfur or phosphorus atom and possessing a molecular weight of less than 500 g/mol, the copolymerization, C) taking place in the presence of at least one polymeric additive having a number-average molecular weight of from 200 g/mol to 10