1-¬N-(.alpha.-AMINO-.alpha.-METHYLACETYL)AMINOPHENYL -2-AMINOPROPANONE DERIVATIVES
CA 1292015 C · Owner: Laboratoire L. Lafon · Inventors: Lafon, Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to l-N-(.alpha.-alkylamino-.alpha.methylacetyl)aminophenyl-2-alkylaminopropanones of the general formula:, (I), in which R represents a C1-C4 alkyl group and R' represents H or a C1-C4 alkyl group, and addition salts thereof. These new derivatives are useful as CNS-active substances in particular, as stimulants and anti-depressants. The invention also relates to the method for their preparation.
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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
- 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.