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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Johnson and Johnson
Federal Trade Commission

Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,472,393

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Summary for Patent: 4,472,393

Title: 3,20-Dioxo-1,4-pregnadiene-17.alpha.-ol 17-aromatic heterocycle carboxylates
Abstract:This invention relates to novel 3,20-dioxo-1,4-pregnadiene-17.alpha.-ol 17-aromatic heterocyclic carboxylates, to pharmaceutical formulations thereof, and their use in the treatment and control of inflammatory conditions.
Inventor(s): Shapiro; Elliot L. (Cedar Grove, NJ)
Assignee: Schering Corporation (Kenilworth, NJ)
Application Number:06/403,276
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

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Foreign Priority and PCT Information for Patent: 4,472,393

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
82100490Jan 25, 1982

International Patent Family for Patent: 4,472,393

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria8790► Subscribe
Australia549102► Subscribe
Australia7991882► Subscribe
Bulgaria60799► Subscribe
Canada1177822► Subscribe
Cyprus1359► Subscribe
Germany3260474► Subscribe
Denmark162770► Subscribe
Denmark39082► Subscribe
European Patent Office0057401► Subscribe94C0002Belgium► 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:

Chinese Patent Office
US Army
Express Scripts
Fish and Richardson

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