Patent ID: 7375173
Filing Date: 2008-05-20
Classification: C08F

Abstract:
1. A polyelectrolyte comprising at least one cationic terpolymer prepared by polymerization of a monomer composition consisting of (i) (meth)acrylamide; (ii) trimethyl ammonium propyl acrylamide; and (iii) a quaternized dialkylamino alkyl(meth)acrylate selected from the group consisting of trimethyl ammonium methyl (meth)acrylate, triethyl ammonium methyl (meth)acrylate, trimethyl ammonium ethyl (meth)acrylate, triethyl ammonium ethyl (meth)acrylate, trimethyl ammoniumpropyl (meth)acrylate and triethyl ammonium propyl (meth)acrylate; the composition of the polyelectrolyte having a toxicity index where Q Q