Medicinal composition and its use as antidepressive agent
CA 1102242 A · Owner: Hoechst Aktiengesellschaft · Inventors: Stammberger, Willi; Schmitt, Karl; Hoffmann, Irmgard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the disclosure:, Medicinal composition containing compounds of the general formula I, (I), in which R1, R3 and R4 which may be identical or different, and represent hydrogen atoms or lower alkyl or aralkyl groups and, R2 and R?, which may be identical or different represent hydrogen, or halogen atoms, hydroxy or trifluoromethyl groups or lower alkyl alkoxy or aralkoxy groups, it also being possible that that two adjacent radicals form an alkylene-dioxy radical and R5 represents, a hydrogen or halogen atom a hydroxy, trifluoromethyl or nitro, group or a lower alkyl alkoxy or aralkoxy radical, and their, salts with acids (active substance A) and …
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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 June 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 1998.
- 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.