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Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,918,179

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Summary for Patent: 4,918,179

Title: 2'-fluoro-arabinofuranosyl purine nucleosides
Abstract:2'-Deoxy-2'-fluoro-.beta.-D-arabinofuranosyl nucleosides of the following structure are disclosed: ##STR1## wherein X and Y are the same or different and are hydrogen, OR.sup.3, SR.sup.3, NR.sup.3 N.sup.4 or NHacyl wherein R.sup.3 and R.sup.4 are the same or different and are hydrogen, lower alkyl of 1 to 7 carbon atoms, aralkyl, or aryl; NHacyl is alkanoyl or aroylamide; R.sup.1 and R.sup.2 are the same or different and are hydrogen, acyl or aroyl.
Inventor(s): Watanabe; Kyoichi A. (Rye Brook, NY), Chu; Chung K. (Athens, GA), Fox; Jack J. (White Plains, NY)
Assignee: Sloan-Kettering Institute for Cancer Research (New York, NY)
Application Number:07/189,148
Patent Claim Types:
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International Patent Family for Patent: 4,918,179

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1271192► Subscribe
Germany122006000056► Subscribe
Germany3687397► Subscribe
European Patent Office0219829► Subscribe06C0029France► Subscribe
European Patent Office0219829► SubscribeSPC/GB06/034United Kingdom► Subscribe
JapanH0723395► Subscribe
JapanS62161797► 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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