Method of improving sleep
CA 1315790 C · Owner: Verdonck, Marc Gustaaf Celine · Inventors: Van Daele, Georges Henri Paul; Verdonck, Marc Gustaaf Celine; Vlaeminck, Freddy Francois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to the use of a compound of formula, (I), a stereochemically isomeric form or a pharmaceutically acceptable acid addition salt thereof for improving sleep in warm-blooded animals suffering from sleep disorders and to compositions containing the same. The invention still further relates to novel N-arylpiperazinealkanamide derivatives of the general formula (I'), the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof.
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 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- 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.