Title:
MULTILAYERED ARTICLES HAVING BIOCOMPATIBILITY AND BIOSTABILITY CHARACTERISTICS
Document Type and Number:
WIPO Patent Application WO2004039584
Kind Code:
A8
Abstract:
Multilayer articles, such as tubing and films, are disclosed which have a soft layer of aliphatic polyurethane and at least one layer of hard aliphatic polyurethane. The articles formed avoid the problem of tackiness when using only a soft aliphatic polyurethane, while maintaining flexibility. The articles are also biocompatible and biostable and are suitable for use in medical applications.
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Inventors:
BELLIVEAU BRIAN PETER
DOWNIE ROBERT BRUCE
DOWNIE ROBERT BRUCE
Application Number:
PCT/US2003/034422
Publication Date:
July 01, 2004
Filing Date:
October 29, 2003
Export Citation:
Assignee:
NOVEON IP HOLDINGS CORP (US)
International Classes:
A61L29/08; B29C48/09; B29C48/10; B32B1/08; B32B27/40; C08G18/44; C08G18/48; C08G18/75; F16L11/12; F16L11/22; (IPC1-7): B32B27/40; B32B1/08; F16L11/04; F16L11/11; A61L29/06; A61L29/08; C08L75/04; B29C47/00; B29C47/06; C09D175/04
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