申请人:Gunatillake Pathiraja Arachchillage
公开号:US20110287102A1
公开(公告)日:2011-11-24
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)