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Expired Canadian patentCanada

Method of treating chemical dependencies using sertraline

CA 2024181 C · Owner: Bick, Peter A. · Inventors: Bick, Peter A.

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

64680-569, Abstract, Disclosed is a medicine for treating a chemical dependency in a mammal in need of such treatment. The medicine contains an amount of the compound (IS-cis)-4-(3,4-dichlorophenyl)-1,2,3,4tetrahydro-N-methyl-l-naphthalenamine, also known by the generic name sertraline, or a pharmaceutically acceptable salt thereof effective in reducing or alleviating such dependency in admixture, with a pharmaceutically acceptable carrier.

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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

  • Filed August 28, 1990 and granted November 8, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 28, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2012.
  • 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 28, 1990
GrantedNovember 8, 1994
Term endedAugust 28, 2010
Patent numberCA 2024181 C
Classification (IPC)A61K31/13

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedAug 28, 1990Patent grantedNov 8, 1994Term endedAug 28, 2010

Sources & verification

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