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|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)|
Patent Claim Types:|
see list of patent claims
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|France||86 10400||Jul 17, 1986|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Canada||1278304||<disabled in preview>|
|Germany||3761562||<disabled in preview>|
|European Patent Office||0253738||<disabled in preview>||96C0009||Belgium||<disabled>|
| This preview shows a limited data set|
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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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