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Serving leading biopharmaceutical companies globally:

Express Scripts
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Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,615,697

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Summary for Patent: 4,615,697

Title: Bioadhesive compositions and methods of treatment therewith
Abstract:A controlled release treatment composition and method of use are disclosed. The composition includes a bioadhesive and an effective amount of a treating agent. The bioadhesive is a water-swellable, but water-insoluble, fibrous, cross-linked carboxy-functional polymer containing (a) a plurality of repeating units of which at least about 80 percent contain at least one carboxyl functionality, and (b) about 0.05 to about 1.5 percent cross-linking agent substantially free from polyalkenyl polyether.
Inventor(s): Robinson; Joseph R. (Madison, WI)
Assignee: Bio-Mimetics, Inc. (Lexington, MA)
Application Number:06/690,483
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;

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Foreign Priority and PCT Information for Patent: 4,615,697

PCT Information
PCT FiledNovember 09, 1984PCT Application Number:PCT/US84/01827
PCT Publication Date:May 23, 1985PCT Publication Number: WO85/02092

International Patent Family for Patent: 4,615,697

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria151286► Subscribe
Austria82667► Subscribe
Australia3618484► Subscribe
Australia565354► Subscribe
Canada1260832► Subscribe
Germany3485995► Subscribe
Germany3486448► Subscribe
European Patent Office0163696► Subscribe
European Patent Office0501523► Subscribe
Hong Kong121497► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Federal Trade Commission
Fish and Richardson
Cantor Fitzgerald

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