Substituted benzoic acid alkylene bridged piperidyl amides
CA 1267898 C · Owner: Novartis Ag · Inventors: Engel, Gunter; Hugi, Bruno; Richardson, Brian Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds are described of formula I A-CO-B-D I, wherein A is a group of formula III III, wherein R4 to R7 independently are hydrogen amino, nitro, (C1-4)alkylamino, di(C1-4)alkylamino halogen, (C1-4)alkoxy, (C1-4)alkyl, (C1-4)alkanoylamino or pyrrolyl, with the proviso that at least one of R4 and R5 is other than hydrogen, B is -NH- and D is, a group of the formula V V, They exhibit seratonin M receptor antagonist activity.
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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 April 17, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 2007.
- 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.