Patent ID: 8357767
Filing Date: 2013-01-22
Classification: A61L,B33Y,C08G

Abstract:
1. A polyurethane or polyurethane/urea composition which has a tensile strength greater than 10 MPa, a modulus of elasticity greater than 400 MPa and an elongation at break greater than 150% at a temperature of between 0° C. and 60° C. and at a relative humidity of between 0% and 100%, wherein the polyurethane or polyurethane/urea composition is derived from diisocyanate, and a polyol having the formula: wherein only one of h or k can be zero or both are integers other than zero, j is zero or an integer other than zero, R wherein the polyurethane or polyurethane/urea composition comprises one or more chain extenders, at least one of which is a linear aliphatic glycol having a molecular weight less than 350, and wherein the polyurethane or polyurethane/urea composition is biocompatible and biodegradable.