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Expired Canadian patentCanada

Composition for the treatment of schisophrenia

CA 1329129 C · Owner: Utpal, Goswami · Inventors: Frecska, Ede; Knoll, Jozsef; Bela, Arpad

CIPO record

Overview

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

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Abstract From the Canadian patent

A b s t r a c t, The present invention is related to a pharmaceutical composition suitable for the treatment of schisophrenia comprising an acid addition salt of (-)-N-(1-phenyl-isopropyl)-N-methyl-1-propynyl-amine in a therapeutically effective amount and optionally one or more neuroleptica and pharmaceutically acceptable carriers, and other excipients.

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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 14, 1989
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1329129 C
Classification (IPC)A61K31/54 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedAug 14, 1989Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

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