An antithrombogenic polyurethane polymer and a process for imparting antithrombogenic activity to a polyurethane substrate

摘要: There is disclosed an antithrombogenic polyurethane polymer which comprises: a substrate; polymeric amine covalently bonded to the and agent wherein chosen from: polyvinyl amine, polyalkylenimine has 2, 3 or 4 carbon atoms per unit, mixtures thereof. A process for imparting activity substrate also disclosed.