Patent ID: 7932302

Claim:
A polymer of Formula 1: where: R 1 and R′ 1 are each independently hydrogen or C 1-20 hydrocarbo, R 2 , R′ 2 , and R 3 are each independently C 1-36 hydrocarbylene optionally substituted with one or more carboxy, sulpho, hydroxyl, amino, mercapto, cyano, methyl, halo, trihalomethyl or methoxy groups, R 4 is an organo residue obtained from one or more difunctional polyols with 2 hydroxyl functional groups at the end of chains, said polyols being homo- and/or co-vinyl polymer rubbers optionally substituted with one or more carboxy, sulpho, hydroxyl, amino, mercapto, cyano, methyl, halo, trihalomethyl or methoxy groups, and p is an integer from about 6 to about 100.