Patent ID: 8114951

Claim:
A tyrosine-derived diphenol compound having the structure: wherein R 1 is selected from the group consisting of —CH═CH—, (—CH 2 —) a , and 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 alkyl-aryl groups containing up to 18 carbon atoms and at least one ether linkage; and R 1 and (—CH 2 —) b of said tyrosine-derived diphenol compound is ring-substituted para to phenolic oxygens.