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Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Chinese Patent Office
Daiichi Sankyo

Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 3,674,836

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Summary for Patent: 3,674,836

Abstract:A series of 2,2-dimethyl-.omega.-phenoxyalkanoic acids and 2,2-dimethyl-.omega.-(disubstituted phenoxy)alkanoic acids having 3 to 6 methylene groups between the phenoxy group or 0 phenoxy group and the carbon atom substituted by two methyl groups; and their salts and esters. The compounds reduce serum triglyceride levels and can be produced by (a) reacting an alkali metal derivative of an isobutyric acid, salt, or ester with a phenoxyalkyl halide or a disubstituted phenoxyalkyl halide; (b) esterifying a carboxylic acid; or (c) hydrolyzing a carboxylate ester.
Inventor(s): Creger; Paul L. (Ann Arbor, MI)
Assignee: Parke, Davis & Company (Detroit, MI)
Application Number:04/819,126
Patent Claim Types:
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International Patent Family for Patent: 3,674,836

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria291228► Subscribe
Brazil6911856► Subscribe
Germany1925423► Subscribe
France2008997► Subscribe
United Kingdom1225575► Subscribe
Netherlands148872► Subscribe
Netherlands6912790► Subscribe
South Africa6905769► 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:

US Army
Johnson and Johnson
Federal Trade Commission
Express Scripts

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