Method of obtaining 5-hydroxytryptophan glutamate and its derivates
CA 1051909 A · Owner: Laboratorios Made, S.A. · Inventors: Castellano Berlanga, Jose Maria; Roldan, Cristobal Martinez; Brana, Miguel Fernandez
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of obtaining 5-hydroxytryptophan glutamate or use as an antidepressant having the general formula : wherein X is hydrogen, alkaline or alkaline-earth metals characterized in that the acid and the base are dissolved jointly or separately in the smallest possible quantity of a suitable solvent, whereafter this solution can be neutralized with any base or used as such the salt being, deep-frozen or precipitated with a suitable solvent.
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 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 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.