Substituted benzamide derivatives, processes for the preparation thereof, and pharmaceutical compositions containing the same
CA 1291135 C · Owner: Morie, Toshiya · Inventors: Ohno, Kazunori; Yoshida, Naoyuki; Kon, Tatsuya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to compounds of the formula:, wherein R is hydrogen, alkoxycarbonyl benzyloxycarbonyl, heteroarylalkyl, phenylalkenyl or -T-(Y)p-R6 (wherein T is a, single bond or an alkylene group Y is oxygen, sulfur or, carbonyl, R6 is phenyl substituted phenyl, naphthyl, or, diphenylmethyl and p is 0 or 1, provided that when T is a single bond, p is 0); R1 is halogen, hydroxy alkoxy, cyclo-, alkyloxy, alkenyloxy, alkynyloxy alkoxy interrupted by, oxygen or carbonyl alkylthio, amino, monosubstituted amino or a substituted alkoxy; R2 is hydrogen; R3 is hydrogen halogen, amino, alkylamino, dialkylamino alkanoylamino, or, nitro; R4 is hydrogen halogen, nitro, sulfamoyl, …
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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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
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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.