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Beiersdorf AG

Beiersdorf
Active Patents
0
Total Holdings
20

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
DE3811231A1 Surgical implants Expired / Lapsed 1988-04-02 — 0 Details
EP0224153A2 Cardiac valve prosthesis and its manufacturing method Expired / Lapsed 1986-11-14 — 0 Details
DE3442088A1 HEART VALVE PROSTHESIS Expired / Lapsed 1984-11-17 — 0 Details
DE2815756B2 Prosthetic closure element to replace the valves in the hum… Expired / Lapsed 1978-04-12 — 0 Details
DE2815756A1 PROSTHETIC CLOSING ELEMENT TO REPLACE THE VALVES IN THE HUM… Expired / Lapsed 1978-04-12 — 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
US4579930A Solvent-free hotmelt adhesive comprising a polyester polyur… Expired / Lapsed 1985-03-07 1986-04-01 10 Details
US4522853A Elastic diaper-pants fastening Expired / Lapsed 1983-04-21 1985-06-11 3 Details
US4486488A Composition for the production of bandages, bandages produc… Expired / Lapsed 1983-03-17 1984-12-04 29 Details
US4426742A Breast prosthesis Expired / Lapsed 1981-12-01 1984-01-24 13 Details
US4263680A Prosthetic closure devices to replace the valves in human h… Expired / Lapsed 1979-03-19 1981-04-28 15 Details
US4033918A Water removable pressure sensitive adhesive Expired / Lapsed 1975-11-17 1977-07-05 8 Details
US3729338A Process for the preparation of self-adhesive tapes and foils Expired / Lapsed 1971-03-24 1973-04-24 0 Details
US3728148A Method for the production of electrical pressure sensitive … Expired / Lapsed 1970-12-17 1973-04-17 0 Details
US2937956A Process for the production of selfadhesive sheets or tapes Expired / Lapsed 1956-01-23 1960-05-24 1 Details