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Serving leading biopharmaceutical companies globally:

Teva
Queensland Health
Harvard Business School
Fuji
Federal Trade Commission
Citi
Moodys
Dow
Novartis
Colorcon

Generated: January 19, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,957,119

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Summary for Patent: 4,957,119
Title: Contraceptive implant
Abstract:The invention relates to an implant of polymeric material which can release a contraceptive agent for a relatively long time when fitted subcutaneously or locally. The implant comprises a core material of ethylene/vinyl acetate copolymer which functions as a matrix for a contraceptive substance, an ethylene/vinyl acetate membrane encasing the core material, and a contact layer at the interface of the core material and membrane which prevents the separation of the core material from the membrane. The implant of the invention is made by a co-extrusion process.
Inventor(s): de Nijs; Hendrik (Oss, NL)
Assignee: Akzo N.V. (Arnhem, NL)
Application Number:07/229,066
Patent Claim Types:
see list of patent claims
Device; Use;

Drugs Protected by US Patent 4,957,119

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,957,119

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Netherlands8701868Aug 08, 1987

International Patents Family Members for US Patent 4,957,119

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 86484 ➤ Subscribe
Australia 2044988 ➤ Subscribe
Australia 603475 ➤ Subscribe
Canada 1309949 ➤ Subscribe
China 1024753 ➤ Subscribe
China 1031323 ➤ Subscribe
Germany 19975054 ➤ Subscribe
Germany 3879031 ➤ Subscribe
Denmark 173166 ➤ Subscribe
Denmark 438688 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

Chubb
Accenture
McKesson
Cipla
Cerilliant
QuintilesIMS
Fish and Richardson
Express Scripts
Colorcon

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