Process for the preparation of pyrrolidine derivatives
CA 1077947 A · Owner: Isf Societa Per Azioni · Inventors: Pinza, Mario; Pifferi, Giorgio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pyrrolidine derivatives which have very interesting, activity on CNS of the general formula, wherein R represents hydrogen an acyl radical containing from 2, to 7 carbon atoms a saturated or unsaturated alkyl containing from 1 to 6 carbon atoms, an aralkyl, a cycloalkyl or an aromatic radical, P1 and R2 are the same or different and represent hydrogen a saturated or unsaturated alkyl radical containing from 1 to 3 carbon atoms or, a cycloalkyl radical, n represents an integer from 0 to 2 inclusive and the process, for their preparation are described.
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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 20, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 1997.
- 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.