Patent ID: 8158742

Claim:
An article of manufacture comprising a polymer compound of a formula wherein R is a C(O)C(R 1 )(R 2 ) moiety, where R 1 and R 2 is independently selected from H, alkyl and substituted alkyl; R′ is selected from C(O)C(R′ 1 )(R′ 2 ), C(R′ 3 )(R′ 4 ) and covalent bond moieties, where R′ 1 and R′ 2 is independently selected from H, alkyl and substituted alkyl, and R′ 3 and R′ 4 is independently selected from alkyl and substituted alkyl; R″ is selected from alkyl, substituted alkyl, phenyl, substituted phenyl, aryl and substituted aryl moieties; X is selected from alkyl, substituted alkyl, phenyl, substituted phenyl, aryl, and substituted aryl moieties; m and m′ are integers selected from 0 and 1, provided one of m and m′ is 0 when the other is 0; and n is selected from 1 and integers greater than 1.