Patent ID: 7455907
Filing Date: 2008-11-25
Classification: A61L,Y10T

Abstract:
1. A medical article, comprising an implantable substrate having a coating deposited on the substrate, the coating comprising a polymer, the polymer being a product of co-polycondensation of a diketene acetal and a diol, wherein the diol comprises, cycloaliphatic, aromatic, or organosilicon diols or blends or combinations thereof where the diketene acetal has a structure of formula (I) or the diol comprises cycloaliphatic, aromatic, or organosilicon diols or blends or combinations thereof where the diketene acetal has a structure of formula (II), wherein the diketene acetal is selected from a group of compounds having formulae (I) or (II): wherein: R, R R R and R wherein the cycloaliphatic diols are selected from a group consisting of 1,2-cyclobutanediol, 1,3-cyclobutanediol, 1,2-cyclopentanediol, 1,3-cyclopentanediol, 1,2-cyclohexanediol, 1,3-cyclohexanediol, 1,2-cycloheptanediol, 1,3-cycloheptanediol, 1,4-cycloheptanediol, caprolactone diol, and mixtures thereof; and wherein the aromatic diols are selected from a group consisting of o-benzenedimethanol, m-benzenedimethanol, and mixtures thereof.