.alpha.(ISOXAZOLE OR ISOTHIAZOLE)-.alpha.-PHENYLMETHANE COMPOUNDS
CA 1266664 C · Owner: Winter, Mark Alan · Inventors: Hirsch, Kenneth Steven; Taylor, Harold Mellon; Winter, Mark Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Isoxazole- and isothiazole-5-methanes having two phenyl rings, or a phenyl and a pyridine ring on the methane which phenyls may have up to two substituents are useful for, the physiological inhibition of the enzyme aromatase in the body and are accordingly usable pharmaceutically for the inhibition of endogenous estrogen production and the treatment of estrogendependent diseases.
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 March 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 2007.
- 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.