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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Cantor Fitzgerald
Boehringer Ingelheim
Argus Health
US Department of Justice
US Army
Johnson and Johnson
Farmers Insurance

Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,876,248

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Summary for Patent: 4,876,248

Title: Anti-inflammatory products derived from methylene-diphosphonic acid, and process for their preparation
Abstract:The present invention relates to products of the formula ##STR1## where R.sub.1 is H or alkyl, n is an integer from 0 to 10, and R.sub.2 is chosen from amongst H, unsubstituted or substituted alkyl radicals, a ##STR2## group, a substituted or unsubstituted phenyl radical, a ##STR3## group, where X is oxygen or sulfur, or a heterocyclic radical with 5 or 6 members, which may or may not be fused to a benzene ring and R.sub.3 is H or OH. The present invention also relates to a process for the preparation of the products of the formula (I), and to the drugs, having in particular an anti-inflammatory effect, containing a product of formula (I).
Inventor(s): Breliere; Jean C. (Montpellier, FR), Emonds-Alt; Xavier (Montpellier, FR), Garcia; Georges (Saint-Gely-du-Fesc, FR)
Assignee: Sanofi (Paris, FR)
Application Number:07/165,080
Patent Claim Types:
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Compound; Composition;

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Foreign Priority and PCT Information for Patent: 4,876,248

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France82 13250Jul 29, 1982

International Patent Family for Patent: 4,876,248

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina242393► Subscribe
Argentina242394► Subscribe
Austria30235► Subscribe
Australia1732483► Subscribe
Australia566880► Subscribe
Canada1267650► Subscribe
Czechoslovakia252463► Subscribe
Czechoslovakia8305688► Subscribe
Czech Republic9104191► Subscribe
German Democratic Republic213670► 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:

Cantor Fitzgerald
Federal Trade Commission
US Army
Farmers Insurance

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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