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Expired Canadian patentCanada

Aromatic derivatives comprising an aminoalkoxy chain, the salts thereof, the process for preparing these derivatives and salts and the application thereof in therapeutics

CA 1197243 A · Owner: Delalande S.A. · Inventors: Pourrias, Bernard; Lacour, Alain; Santamaria, Raphael

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Abstract From the Canadian patent

New aromatic derivatives having an activity antagonistic to calcium and corresponding to formula:, (I) in which:, - A represents a chain having any one of the following structures: - Ar represents a group of structure:, - n takes the value 1 or 2 when R is different from H; - m takes the value 2 or 3. These new aromatic derivatives and their pharmaceutically acceptable salts are useful in the treatemnt of afflictions related to a disturbance of the intra and extra cellular movements of calcium and particularly troubles of the cardiovascular system particularly, as antiangorous, antirhythmic antihypertension agents and, vasodilators.

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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 November 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 20, 1982
GrantedNovember 26, 1985
Term endedNovember 26, 2002
Patent numberCA 1197243 A
Classification (IPC)C07D295/04 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedDec 20, 1982Patent grantedNov 26, 1985Term endedNov 26, 2002

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