Patent Yard Sign in
Expired Canadian patentCanada

Hmg-coa reductase inhibitors

CA 1340331 C · Owner: Merck & Co. Inc. · Inventors: Hartman, George D.; Halczenko, Wasyl; Houck, David R.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Novel 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors are useful as antihypercholesterolemic agents and are represented by the following general structural formulae (I) and (II): (see fig. I), (see fig. II)

Read the whole patent

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 January 26, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 19, 1987
GrantedJanuary 26, 1999
Term endedJanuary 26, 2016
Patent numberCA 1340331 C
Classification (IPC)C07D309/30 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006200920122015Application filedJune 19, 1987Patent grantedJan 26, 1999Term endedJan 26, 2016

Sources & verification

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