5-(substituted amino)-1,2,4- triazolo¬1,5-a pyrimidine derivatives
CA 2061629 A1 · Owner: Reiter, Jozsef · Inventors: Gorgenyi, Frigyes; Fekete, Marton; Petocz, Lujza
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
5-(SUBSTITUTED AMINO)-1, 2, 4-TRIAZOLO1,5-aPYRIMIDINE DERIVATIVES, A b s t r a c t, The invention relates to new 5-(substituted amino)- -1,2,4-triazolo1,5-3pyrimidine derivatives and a process for the preparation thereof. The invention also relates to pharmaceutical compositions comprising the said compounds and to the use thereof for the treatment of diseases. The 5-(substituted amino)-1,2,4-triazolo1,5-apyrimidines according to the invention correspond to the general Formula (I), (I), wherein, Q represents hydrogen or a 6-membered heterocyclic group containing one or more nitrogen and/or oxygen atom(s) optionally carrying a C1-4 alkyl substituent or a, group of the Formula S(O)pR3, …
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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
- Filed February 21, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 21, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2014.
- 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.