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Expired Canadian patentCanada

Method for the treatment of atherosclerosis, thrombosis and peripheral vessel disease

CA 1320904 C · Owner: Hoechst Aktiengesellschaft · Inventors: Scholkens, Bernward

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

Abstract of the Disclosure: The invention relates to a method for the treatment of atherosclerosis, thrombosis and/or of peripheral vessel disease by administration of angiotensin converting enzyme inhibitors. Administration of compounds of the formula I, (I), in which n is 1 or 2, R R1, R2 and R3 are identical, or different and each denotes hydrogen or an organic radical, and R4 and R5 form, together with the atoms carrying them, a mono-, bi- or tricyclic heterocyclic ring system, is preferred. The invention also relates to angiotensin converting enzyme inhibitors and to agents containing them for administration for the treatment of the abovementioned diseases.

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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 August 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 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.
FiledOctober 14, 1986
GrantedAugust 3, 1993
Term endedAugust 3, 2010
Patent numberCA 1320904 C
Classification (IPC)A61K31/19 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 14, 1986Patent grantedAug 3, 1993Term endedAug 3, 2010

Sources & verification

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