Benzamide derivatives
CA 1252794 A · Owner: Hoffmann-La Roche Limited/Hoffmann-La Roche Limitee · Inventors: Wyss, Pierre C.; Joos, Renato; Da Prada, Mose
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It has surprisingly been found that benzamides of the formula, I, wherein R1 and R2 each independently signify hydrogen, halogen, lower alkyl, lower alkoxy, cyano, trifluoromethyl, sulphamoyl mono(lower alkyl)sulphamoyl or di(lower alkyl)sulphamoyl or R1 and R2 on adjacent carbon atoms together signify a methylenedioxy group, with the proviso that R2 is different from hydrogen when R1 signifies bromine in the 3-position, and their pharmaceutically usable acid addition salts have interesting monoamine oxidase inhibiting properties with low toxicity and can accordingly be used for the treatment of depressive states and Parkinsonism. Those compounds of formula I in which R1 signifies halogen …
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 April 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
- 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.