Lubricant compositions, their preparation and articles coated therewith

Abstract From the Canadian patent

A lubricious composition suitable for medical devices that comprises a hydrophilic polymer, an isocyanate-terminated prepolymer an alkylester of a , carboxylic acid such as ethyl lactate and a solvent selected from tetrahydrofuran, dimethylformamide, methylene chloride n-methyl pyrrolidone , and cyclohexanone and mixtures thereof. The lubricious composition may optionally contain a pharmacological additive and/or a polymerized urethane. Also disclosed is a method of producing the lubricious composition and methods of coating a surface such as a medical device with the lubricious composition and the resulting coated medical devices.