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Serving hundreds of leading biopharmaceutical companies globally:

Accenture
Baxter
Mallinckrodt
US Department of Justice
Boehringer Ingelheim
Colorcon
Chubb
AstraZeneca
Express Scripts

Generated: May 24, 2018

DrugPatentWatch Database Preview

Details for Patent: RE33994

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Summary for Patent: RE33994
Title: Pharmaceutical delivery system
Abstract:A composition for use in an aqueous environment which .[.comprise.]. .Iadd.comprises .Iaddend.a formulation containing a water-soluble pharmaceutically beneficial agent, a water-insoluble, water-permeable film coating surrounding the formulation, and particulate, water-soluble, pore-forming material dispersed within the film coating. The questions raised in reexamination request No. 90/001,344, filed Oct. 5, 1987, have been considered and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U.S.C. 307 as provided in 37 CFR 1.570(e).
Inventor(s): Baker; Richard W. (Palo Alto, CA), Brooke; James W. (Sisters, OR)
Assignee: Burroughs Wellcome Co. (Research Triangle Park, NC)
Application Number:07/390,518
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent RE33994
Patent Claim Types:
see list of patent claims
Composition; Dosage form;

Drugs Protected by US Patent RE33994

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: RE33994

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8322007Aug 16, 1983

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Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
McKinsey
AstraZeneca
Cerilliant
Cantor Fitzgerald
Medtronic
Merck
Dow
Argus Health

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