Patent ID: 6870012
Filing Date: 2005-03-22
Classification: C08G,C08L

Abstract:
1. A polymeric composition exhibiting reverse thermal gellation properties according to the structure: where A is a polyester unit, B is a poly(ethylene oxide) unit, C is a poly(propylene oxide) unit, E is a chain extender unit unit, n ranges from 0 to 20 and m is greater than 2, said polymeric composition having a EO/PO ratio ranging from about 0.2:1 to about 40:1, said composition having a final viscosity at a final temperature which is more than twice the initial viscosity of the composition at an initial temperature, said final temperature being at least 10° C. higher than said initial temperature, wherein the polymeric composition is combined with a cellular material for tissue engineering, a cellular material for effecting repair or healing in a patient, or a bioactive agent.