Biocompatible and biodegradable poly(phosphoester-urethanes), compositions comprising the poly(phosphoester-urethanes), and methods of use as a drug delivery device and an implant....http://www.google.es/patents/US5176907?utm_source=gb-gplus-sharePatente US5176907 - Biocompatible and biodegradable poly (phosphoester-urethanes)
Biocompatible and biodegradable poly (phosphoester-urethanes)
