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Expired Canadian patentCanada

3-(4-bromophenyl)-n-methyl-3-(3-pyridyl)-allylamine

CA 1056834 A · Owner: Astra Lakemedel Ab · Inventors: Carlsson, Per A.E.; Carnmalm, Bernt S.E.; Ross, Svante B.

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

3-Phenyl- 3-pyridylprop-2-enamines of formula having either cis- or trans-configuration are described together with, processes for their preparation. These compounds and their pharma-, ceutically acceptable acid addition salts find use as antidepressive, agents.

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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 June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 19, 1979
Term endedJune 19, 1996
Patent numberCA 1056834 A
Classification (IPC)C07D213/26 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 19, 1979Term endedJune 19, 1996

Sources & verification

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