Aryl substituted tetrahydroindazoles and their use as ligands for the gaba-a receptor
CA 2419966 A1 · Owner: Gustavson, Linda M. · Inventors: Rachwal, Stanislaw; Maynard, George; Gustavson, Linda M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are compounds of formula (I) and the pharmaceutically acceptable salts thereof wherein the variables R1 R2, R3, n, and Ar are defined herein. These compounds are highly selective agonists antagonists or inverse agonists , for GABAA brain receptors or prodrugs of agonists antagonists or inverse , agonists for GABAA brain receptors and are therefore useful in the diagnosis and treatment of anxiety, depression, Down Syndrome sleep and seizure , disorders, overdose with benzodiazepine drugs and for enhancement of memory.
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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
- Filed September 6, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 6, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 6, 2023.
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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.