Pyrazole analogs of mevalonolactone and derivatives thereof, processes for their production and their use
CA 1249283 A · Owner: Sandoz Ltd. · Inventors: Wareing, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Compounds of formula I I, wherein R1 is C1-6 alkyl, each of R2 and R5 is independently hydrogen C1-4 alkyl, C1-4 alkoxy, (except t-butoxy) trifluoromethyl, fluoro, chloro, phenyl phenoxy or benzyloxy, each of R3 and R6 is independently hydrogen C1-3 alkyl, C1-3 alkoxy, trifluoromethyl fluoro, chloro, phenoxy or benzyloxy, each of R4 and R7 is independently hydrogen C1-3 alkyl, C1-2 alkoxy, fluoro or chloro with the proviso that there may only be a single trifluoromethyl phenoxy or benzyloxy substituent in each of rings A and B X is -(CH2)m- or -(CH2)qCH=CH(CH2)q-, wherein m is 0 1, 2 or 3 and both q's are 0 or one is 0 and the other is 1, wherein R10 is hydrogen …
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 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.