Expired Canadian patentCanada
Process for the formation of 6-desmethyl-6-exo-methylene derivatives of lovastatin and analogs thereof
CA 1301178 C · Owner: Thompson, Andrew S. · Inventors: Thompson, Andrew S.; Shinkai, Ichiro; Verhoeven, Thomas R.
Overview
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and intermediates in preparation of 6-exomethylene derivatives of lovastatin and 8-acyl and di- and tetrahydro analogs thereof is 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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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 29, 1989
GrantedMay 19, 1992
Term endedMay 19, 2009
Patent numberCA 1301178 C
Classification (IPC)C07D309/30
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.