Phenylalkyl esters of amino-acids having antidepressive activity
CA 1055044 A · Owner: Astra Lakemedel Aktiebolag · Inventors: Ross, Svante B.; Thorberg, Seth-Olov; Lindberg, Ulf H. A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the formula, (I) in which formula the groups R° are the same or different and are selected from the group consisting of hydrogen, halogen and alkyl having 1 2 or 3, carbon atoms, R is hydrogen or methyl: R2 is methyl: R3 and R4 are the same or different and are hydrogen or an alkyl group having 1 2 or 3 carbon, atoms: including pharmaceutically acceptable salts thereof can be used for, inhibiting selectively the central neuronal uptake of 5-hydroxytryptamine. Further the heart toxicities for these new compounds are considerably weaker than those of imipramine.
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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 May 22, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 1996.
- 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.