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Expired Canadian patentCanada

Hmg-coa reductase inhibitors

CA 1286683 C · Owner: Vyas, Kamlesh P. · Inventors: Kari, Hanumath P.; Vyas, Kamlesh P.

CIPO record

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Abstract From the Canadian patent

TITLE OF THE INVENTION, NOVEL HMG-CoA REDUCTASE INHIBITORS ABSTRACT OF THE DISCLOSURE, Novel 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors which are useful as antihypercholesterolemic agents and are represented by the following general structural formulae (I) or (II):, (I) , (II), and pharmaceutically acceptable salts thereof the compounds of the formula (II) in which R1 is hydrogen are disclosed.

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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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
  • 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 23, 1988
GrantedJuly 23, 1991
Term endedJuly 23, 2008
Patent numberCA 1286683 C
Classification (IPC)C07C69/30 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJune 23, 1988Patent grantedJuly 23, 1991Term endedJuly 23, 2008

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