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Expired Canadian patentCanada

Method for alleviation of primary depressive disorders

CA 1313138 C · Owner: Bristol-Myers Squibb Company · Inventors: Cott, Jerry M.; Kurtz, Neil; Robinson, Donald S.

CIPO record

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

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Abstract From the Canadian patent

Abstract of the Invention, Gepirone and its pharmaceutically acceptable salts are useful in alleviation of certain primary depressive disorders, such as major depression with melancholia and atypical depression. Method For Alleviation of Primary Depressive Disorders Field of the Invention, This invention is concerned with a drug bio-affecting body-treating process which employs the pyrimidine compound 4,4-dimethyl-1-4-4-(2-pyrimidinyl)-1-piperazinylbutyl-2 6-piperidinedione or a pharmaceutically acceptable acid addition salt thereof. -1-

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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 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 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.
FiledMarch 1, 1988
GrantedJanuary 26, 1993
Term endedJanuary 26, 2010
Patent numberCA 1313138 C
Classification (IPC)A61K31/50

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMarch 1, 1988Patent grantedJan 26, 1993Term endedJan 26, 2010

Sources & verification

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