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Beiersdorf AG

Beiersdorf
Active Patents
0
Total Holdings
9

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
DE3442088A1 HEART VALVE PROSTHESIS Expired / Lapsed 1984-11-17 — 0 Details
DE2502884A1 Synthetic bone or joint prosthesis - incorporates zones whi… Expired / Lapsed 1975-01-24 — 0 Details
US4996054A Antithrombogenic, non-calcifying material and method of mak… Expired / Lapsed 1988-10-19 1991-02-26 15 Details
US4874370A Adapter device for irrigating the intestine Expired / Lapsed 1988-03-09 1989-10-17 13 Details
US4831065A Antithrombogenic, non-calcifying material and method of mak… Expired / Lapsed 1986-11-20 1989-05-16 9 Details
US4778461A Heart valve prosthesis and process for its production Expired / Lapsed 1986-11-17 1988-10-18 16 Details
US4643732A Heart valve prosthesis Expired / Lapsed 1985-10-21 1987-02-17 11 Details
US4486488A Composition for the production of bandages, bandages produc… Expired / Lapsed 1983-03-17 1984-12-04 29 Details
US4263680A Prosthetic closure devices to replace the valves in human h… Expired / Lapsed 1979-03-19 1981-04-28 15 Details