Patent ID: 8506757

Claim:
A water-soluble, cationic polymer comprising randomly distributed units of formula (I): wherein X on said unit of formula (I) is a hydrophobic moiety selected from the group consisting of formula (II), (IV), (VI), (VII), and (VIII): wherein (a) R 1 and R 2 , identically or differently, are a straight chain or branched aliphatic or olefinic or aromatic group having up to 22 carbon atoms and up to 4 double bonds; (b) Y is a straight chain or branched aliphatic or olefinic or aromatic group having up to 20 carbon atoms and up to 8 double bonds; and (c) p is an integer in the range of from 2 to 10 and m is an integer in the range of from 1 to 10.