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Expired Canadian patentCanada

2',3'dideoxy-2',2'difluoronucleosides

CA 1312599 C · Owner: Eli Lilly And Company · Inventors: Hertel, Larry Wayne; Kroin, Julian Stanley; Grossman, Cora Sue

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

X-7391A, Abstract, 2',3'-Dideoxy-2',2'-difluoronucleosides are useful for treating susceptible neoplasms and viral infections in mammals.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted January 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 10, 1989
GrantedJanuary 12, 1993
Term endedJanuary 12, 2010
Patent numberCA 1312599 C
Classification (IPC)C07H19/04 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedFeb 10, 1989Patent grantedJan 12, 1993Term endedJan 12, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.