Novel 1-1-(hetero)aryl-1-perhydroxyalkylmethyl-piperazine compounds, process for their preparation and medicaments containing these compounds
CA 2403139 C · Owner: Eeckhout, Christian · Inventors: Eeckhout, Christian; Antel, Jochen; Preuschoff, Ulf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 1-1-(hetero)aryl-1-perhydroxyalkylmethyl--piperazine compounds which are antagonistic to tachykinin receptors, of the general formula I, (see formula I) wherein R6, R7, A and Z have the meanings given in the description, and medicaments containing these compounds are described. Furthermore, a process for the preparation of the novel compounds and intermediate products of this process are described.
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
- Filed September 13, 2002 and granted February 22, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 2024.
- 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.