Pyridazinone-imines and their physiologically tolerated addition salts with acids, their preparation and therapeutic agents containing these compounds
CA 1183534 A · Owner: Basf Aktiengesellschaft · Inventors: Thyes, Marco; Kropp, Rudolf; Kretzschmar, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 1-phenyl-4(1H)-pyridazinone-imines of the formula (I), (I), which are substituted at the imine nitrogen and their, addition salts with a physiologically tolerated acid processes for their preparation, pharmaceutical formulations containing these compounds, and their use as drugs in particular as antidepressants, antiparkinson drugs and antihypotonic agents.
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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 March 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2002.
- 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.