Patent ID: 6723815
Filing Date: 2004-04-20
Classification: A61L

Abstract:
A copolymeric coating composition for a surgical implant wherein the coating composition is capable of absorbing from at least 5 to about 90% water and comprises(i) a hydrophobic aryl acrylic monomer of the formula wherein: A is H, CH3, CH2CH3, or CH2OH; B is (CH2)m or [O(CH2)2]n; C is (CH2)w; m is 2-6; n is 1-10; Y is nothing, O, S, or NR, provided that if Y is O, S, or NR, then B is (CH2)m; R is H, CH3, CnH2n+1(n=1-10), iso-OC3H7, C6H5, or CH2C6H5; w is 0-6, provided that m+w&lE;8; and D is H, C1-C4 alkyl, C1-C4 alkoxy, C6H5, CH2C6H5 or halogen; (ii) a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates; n-vinyl pyrrolidone and acrylamides; (iii) a reactive plasticizer selected from the group consisting of polyethylene glycol (200-2000) mono(meth)acrylates and polyethylene glycol (200-2000) monomethylether mono(meth)acrylates; and (iv) a covalent cross-linking agent.