Patent ID: 8647655

Claim:
A medical article comprising an implantable medical device and a coating deposited on at least a part of the device, the coating comprising: (a) a structural component comprising a linear acrylic homopolymer or linear acrylic copolymer; and (b) a biobeneficial component comprising a copolymer having an acrylate moiety and a biobeneficial moiety; wherein the copolymer composing the biobeneficial component has the formula: wherein (a) m 1 , n 1 , p 1 , r 1 , m 2 , n 2 , p 2 , and r 2 are all integers; (b) m 1 ≧0, n 1 >0, p 1 ≧0, r 1 >0; m 2 ≧0, n 2 >0, p 2 ≧0, r 2 >0; and (c) (i) if m 1 =0, then p 1 >0; (ii) if p 1 =0, then m 1 >0; and (iii) if m 2 =0, then p 2 >0; and (iv) if p 2 =0, then m 2 >0; and (v) r 1 and r 2 are the same or different; (vi) m 1 and m 2 are the same or different; (vii) n 1 and n 2 are the same or different; and (viii) p 1 and p 2 are the same or different; (d) X is hydrogen or methyl group; (e) each of R, R 1 , and R 2 , independently, is methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, tert-butyl, lauryl, or 2-hydroxyethyl; and (f) Q is a fragment providing the copolymer with biobeneficial properties.