Patent ID: 8546488

Claim:
A block copolymer compound of a formula wherein R 3 and R 4 are independently selected from H, alkyl, substituted alkyl, aryl, substituted aryl, carboxy, substituted carboxy, alkoxycarbonyl, substituted alkoxycarbonyl, aminocarbonyl and substituted aminocarbonyl moieties; m and n are independently selected from integers greater than 1, for each respective m and n block; n′ is an integer selected from 1 to about 3; A 3 is an alkylcarboxy moiety and A 4 are independently selected from non-halide moieties of atom transfer radical polymerization initiation reagents, and reversible addition fragmentation chain transfer initiation agents; and X 3 and X 4 are independently selected from other blocks of repeating monomeric units, halide moieties of said initiation reagents and polymer terminal moieties.