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Serving leading biopharmaceutical companies globally:

Express Scripts
Argus Health
Fish and Richardson
Farmers Insurance
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Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,464,826

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Summary for Patent: 5,464,826

Title: Method of treating tumors in mammals with 2',2'-difluoronucleosides
Abstract:A method of treating susceptible neoplasms in mammals comprising administering to a mammal in need of such treatment a pharmaceutically effective amount of a compound of the formula ##STR1## wherein: R.sup.1 is hydrogen; R.sup.2 is a base defined by one of the formulae ##STR2## X is C-R.sup.4 ; R.sup.3 is hydrogen; R.sup.4 is hydrogen, C.sub.1 -C.sub.4 alkyl, bromo, fluoro, chloro or iodo; and the pharmaceutically-acceptable salts thereof.
Inventor(s): Grindey; Gerald B. (Indianapolis, IN), Hertel; Larry W. (Indianapolis, IN)
Assignee: Eli Lilly and Company (Indianapolis, IN)
Application Number:08/280,687
Patent Claim Types:
see list of patent claims
Use; Compound;

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International Patent Family for Patent: 5,464,826

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia581269► Subscribe
Denmark162965► Subscribe
Egypt17765► Subscribe
European Patent Office0184365► Subscribe
Denmark549685► Subscribe
Germany3587500► Subscribe
Cyprus1806► Subscribe
China1020194► Subscribe
China85109409► Subscribe
Canada1264738► 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:

Boehringer Ingelheim
Argus Health

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