Expired Canadian patentCanada
Process for the preparation of tetrahydro-and dihydro- mevinic acid derivatives as hmg coa reductase inhibitors
CA 1338016 C · Owner: Schuda, Ann D. · Inventors: Verhoeven, Thomas R.; Schuda, Ann D.; Shinkai, Ichiro
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Open the CIPO recordAbstract From the Canadian patent
A process for the selective hydrogenation of a compound of formula (II) to form a compound of formula (I):, , catalyst, H2. solvent, (II) (I) wherein:, one of , b or c is a double bond or b and c are, all single bonds.
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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 January 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2013.
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FiledAugust 31, 1988
GrantedJanuary 30, 1996
Term endedJanuary 30, 2013
Patent numberCA 1338016 C
Classification (IPC)C07D309/30 +1 more
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.