Patent 7964696 was granted and assigned to PolyNovo Biomaterials Pty Ltd. on June, 2011 by the United States Patent and Trademark Office.
The present invention relates to chain extenders, processes for their preparation and their use in the preparation of biocompatible biodegradable polyurethanes and polyurethane ureas for biomedical applications such as stents, scaffolds for tissue engineering. The chain extenders comprise a compound of formula (I)