Amino-2 imidazoles
CA 1057287 A · Owner: Parcor · Inventors: Amselem, Armand
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 2-amino imidazole derivatives of the formula: (I), wherein R1 is optionally substituted alkyl alkenyl, alkynyl, cycloalkyl, phenylalkyl or phenyl R2 and R3 are each hydrogen, or a variety of optionally substituted organic groups or R2 and R3 together with the nitrogen atom to which they are bonded represent a saturated heterocyclic group R4 is hydrogen, halogen or alkyl, and R5 is hydrogen or methyl are disclosed, as well as a process for preparing them. The compounds X and their acid addition and quaternary ammonium salts psychostimulant and anti-inflammatory activity and are useful in human and veterinary medicine. - 1 -
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 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
- 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.