Jürgen Köcher,Christian Wamprecht,Henning Rohm,Klaus-Peter Schmitz,Katrin Sternberg
申请号：
US13516440
公开号：
US20120263778A1
申请日:
2010.12.10
申请国别(地区):
US
年份:
2012
代理人:
摘要：
The invention relates to a polyurethane urea comprising structural units of formula (I), not terminated by at least one copolymer unit of polyethylene oxide and polypropylene oxide, and that can particularly be used for producing stent coatings. The invention further relates to a substrate having a base coating made of a polyurethane urea according to the invention. The invention further relates to a coating structure comprising at least one layer comprising active substances and made of a polyurethane urea according to the invention, and at least one layer free of active substances, made of a polyurethane urea according to the invention. The invention finally relates to a method for coating a substrate, wherein at least one layer made of a polyurethane urea according to the invention is applied to the substrate.
