Disclosed is a biocompatible, thromboresistant substance useful for implantable and extracorporeal devices in contact with the vascular system, and methods for producing the same. The biocompatible, thromboresistant substance comprises a synthetic, biocompatible material, at least one biocompatible base...http://www.google.de/patents/US5019393?utm_source=gb-gplus-sharePatent US5019393 - Biocompatible substance with thromboresistance