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POLYISOBUTYLENE URETHANE, UREA AND URETHANE/UREA COPOLYMERS AND MEDICAL DEVICES CONTAINING THE SAME
专利权人:
Shrojalkumar Desai
发明人:
Shrojalkumar Desai,Marlene C. Schwarz,Mark Boden,Mohan Krishnan,Michael C. Smith,Frederick H. Strickler,Daniel J. Cooke
申请号:
US13618148
公开号:
US20130013040A1
申请日:
2012.09.14
申请国别(地区):
US
年份:
2013
代理人:
摘要:
The present invention pertains to polyisobutylene urethane, urea and urethane/urea copolymers, to methods of making such copolymers and to medical devices that contain such polymers. According to certain aspects of the invention, polyisobutylene urethane, urea and urethane/urea copolymers are provided, which comprise a polyisobutylene segment, an additional polymeric segment that is not a polyisobutylene segment, and a segment comprising a residue of a diisocyanate. According to other aspects of the invention, polyisobutylene urethane, urea and urethane/urea copolymers are provided, which comprise a polyisobutylene segment and end groups that comprise alkyl-, alkenyl- or alkynyl-chain-containing end groups.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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