Triazole antifungal agents
CA 1341325 C · Owner: Richardson, Kenneth · Inventors: Dickinson, Roger Peter; Richardson, Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides antifungal agents of the formula:- (see formula I), and their pharmaceutically acceptable salts wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and CF3;, R1 is C1-C4 alkyl;, R2 is H or C1-C4 alkyl; and "Het", which is attached to the adjacent carbon atom by a ring carbon atom, is selected from pyridinyl pyridazinyl, pyrimidinyl, pyrazinyl and triazinyl "Het" being optionally substituted by C1-C4 alkyl C1-C4 alkoxy, halo, CF3, CN, NO2, NH2, -NH(C1-C4 alkanoyl) or -NHCO2(C1-C4 alkyl).
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 December 11, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 11, 2018.
- 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.