2-substituted-e-fused-¬1,2,4 triazolo-¬1,5- c pyrimidines pharmaceutical compositions and uses thereof
CA 1288097 C · Owner: Gelotte, Karl O. · Inventors: Gelotte, Karl O.; Francis, John E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
21489-7012, 4-15519/1+2/CGC 1151, 2-SUBSTITUTED-e-FUSED1,2,4TRIAZOLO1,5-cPYRIMIDINES PHARMACEUTICAL, COMPOSITIONS AND USES THEREOF Abstract of the Disclosure, Compounds of the formulae Ia Ib and Ic, (Ia) (Ib) (Ic), wherein, X is O S, NH or NR;, R is alkyl, alkenyl, alkynyl cycloalkyl, aromatic-ring-alkyl all of which may be optionally interrupted by a herero atom; OH; an aromatic ring; or the group -C(=NH)-NH2;, R1 is optionally substituted and selected from a carboxylic aromatic and a heterocyclic group which heterocyclic group is aromatic partially, saturated or fully saturated the optional substituent of R2 being, halogen alkyl, haloalkyl, OH, alkoxy, hydroxyalkyl amino, mono- or, …
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 August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.
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.