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Serving leading biopharmaceutical companies globally:

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Generated: November 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,988,731

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Summary for Patent: 4,988,731

Title: Sodium hydrogen divalproate oligomer
Abstract:This invention concerns certain diethyl- or dipropylacetic acid salts of sodium valproate which have physiological properties similar to those of valproic acid or sodium valproate but show highly superior stability characteristics.
Inventor(s): Meade; Edwin M. (Duncan, CA)
Assignee: Abbott Laboratories (Abbott Park, IL)
Application Number:07/117,945
Patent Claim Types:
see list of patent claims
Compound; Use; Dosage form;

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International Patent Family for Patent: 4,988,731

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0034172► Subscribe
Germany3063328► Subscribe
Canada1136151► Subscribe
Belgium884848► Subscribe
Australia6332980► Subscribe
Australia538751► Subscribe
Italy8024207► Subscribe
Italy1148718► Subscribe
JapanS56501161► Subscribe
JapanS643178► 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:

Fish and Richardson
Mallinckrodt
Cerilliant
Argus Health
Johnson and Johnson
Cipla
Chinese Patent Office
Deloitte
Teva
Accenture

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