4(5)-substituted imidazoles
CA 1238640 A · Owner: Eli Lilly And Company · Inventors: Hirsch, Kenneth S.; Taylor, Harold M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention as disclosed provides a process for preparing novel .alpha..alpha.-diphenyl-4(5)-imidazolemethanes in which, the phenyl rings in the molecule may be halo-substituted and the methane carbon may also bear an additional substituent; and the novel .alpha..alpha.-diphenyl-4(5)-imidazolemethanes so prepared. These compounds are useful as pharmaceuticals and more, specifically, in inhibiting aromatase and in treating or preventing estrogen-dependent diseases in mammals.
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 June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
- 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.