Patent ID: 7585929

Claim:
A polyarylate comprising repeating units having the structure: wherein R is selected from the group consisting of saturated and unsaturated, substituted and unsubstituted alkyl, aryl and alkylaryl groups containing up to 18 carbon atoms; R 1 is selected from the group consisting of —CH═CH—, (—CH 2 —) a , and —CHN(L 1 L 2 ), in which a has a value from zero to eight, inclusive, and L 1 and L 2 are independently selected from the group consisting of hydrogen and straight and branched alkyl and alkylaryl groups containing up to 18 carbon atoms, provided that L 1 and L 2 are not both hydrogen; b independently has a value between zero and eight, inclusive; and R 2 is selected from the group consisting of straight and branched alkyl and alkylaryl groups containing up to 18 carbon atoms; and wherein at least one of R, R 2 , L 1 , and L 2 contains at least one ether linkage and R 1 and (—CH 2 —) b of said repeating units are ring-substituted para to phenolic oxygens.