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Expired Canadian patentCanada

Substituted 3-piperidinamines or 3-azepinamines, the preparation thereof and their applications in therapy

CA 1319145 C · Owner: Riom Laboratoires C.E.R.M. "Rl-Cerm" S.A. · Inventors: Simond, Jacques Aime-Louis; Monteil, Andre Jean-Claude; Carlier, Patrick

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Abstract From the Canadian patent

A C T, "New substituted 3-piperidinamines or 3-azepinamines the, preparation thereof and their applications in therapy" Compounds of formula:, in which R and R' each denote an alkyl or cycloalkyl radical having 1 to 7 carbon atoms; X denotes - 0 - or H2; and Y and Z denote hydrogen or one or more radicals chosen from halogeno, hydroxy, straight or branched alkyl having 1 to 6 carbon atoms, alkoxy having 1 to 6 carbon atoms trifluoromethyl or methylenedioxy; n being able to assume the values 2 or 3; and their pharmaceutically acceptable salts. Application as a cardiovascular medicinal product.

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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 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 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.
FiledDecember 22, 1987
GrantedJune 15, 1993
Term endedJune 15, 2010
Patent numberCA 1319145 C
Classification (IPC)C07D211/56 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 22, 1987Patent grantedJune 15, 1993Term endedJune 15, 2010

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