Imidazolidinone compound and processes for preparation thereof
CA 1304376 C · Owner: Tamaki, Hajime · Inventors: Tamaki, Hajime; Wada, Hiroshi; Inage, Masaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Imidazolidinone compound and processes for preparation thereof, Disclosed are an imidazolidinone compound of the formula: wherein R represents a substituted or unsubstituted 5- or 6-membered nitrogen-containing heterocyclic monocyclic group; the ring A represents a substituted or unsubstituted phenyl group; Y represents vinylene group or ethynylene group; m represents 1 to 6; n represents 0, 1 or 2; and Q represents methylene group or a single bond or a salt thereof, a process for preparing the same and a pharmaceutical composition comprising the same as an active ingredient.
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 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
- 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.