Generated: December 14, 2017
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) |
Patent Claim Types:|
see list of patent claims
|Composition; Dosage form; |
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Foreign Priority and PCT Information for Patent: RE33994
|Foriegn Application Priority Data|
||Foreign Patent Number
||Foreign Patent Date
|United Kingdom||8322007||Aug 16, 1983|
International Patent Family for Patent: RE33994
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