Copolymers are manufactured to include a zwitterionic monomer (e.g., methacryloyloxyethyl phosphorylcholine monomer), a dihydroxyphenyl derivatized monomer, and optionally one or more additional monomers. The dihydroxyphenyl derivatized monomer gives the copolymers excellent adhesion properties. Optional...http://www.google.ca/patents/US7928176?utm_source=gb-gplus-sharePatent US7928176 - Copolymers having zwitterionic moieties and dihydroxyphenyl moieties and medical devices coated with the copolymers