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Serving leading biopharmaceutical companies globally:

Chinese Patent Office
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Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,814,470

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Summary for Patent: 4,814,470

Title: Taxol derivatives, their preparation and pharmaceutical compositions containing them
Abstract:Taxol derivatives of formula ##STR1## in which R represents hydrogen or acetyl, one of R.sub.1 or R.sub.2 represents hydroxy and the other represents tert-butoxycarbonylamino and their isomers are useful antitumor agents.
Inventor(s): Colin; Michel (Thoiry, FR), Guenard; Daniel (Montrouge, FR), Gueritte-Voegelein; Francoise (Paris, FR), Potier; Pierre (Paris, FR)
Assignee: Rhone-Poulenc Sante (Courbevoie, FR)
Application Number:07/073,156
Patent Claim Types:
see list of patent claims
Compound; Composition;

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Foreign Priority and PCT Information for Patent: 4,814,470

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France86 10400Jul 17, 1986

International Patent Family for Patent: 4,814,470

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1278304► Subscribe
Germany3761562► Subscribe
European Patent Office0253738► Subscribe96C0009Belgium► Subscribe
European Patent Office0253738► SubscribeC960002Netherlands► Subscribe
France2601675► Subscribe
Greece3000287► Subscribe
JapanS6330479► Subscribe
Australia7567787► Subscribe
Australia591309► Subscribe
Austria49962► 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:

Argus Health
Fish and Richardson
Daiichi Sankyo
US Department of Justice

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