Benzoyl piperidines/pyrrolidines for enhancing synaptic response
CA 2222976 C · Owner: Cortex Pharmaceuticals, Inc. · Inventors: Nilsson, Lena; Rogers, Gary A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Benzoyl piperidines and pyrrolidines and compounds of related structure (Formula I) are disclosed for use in enhancing synaptic responses mediated by AMPA receptors. The compounds are effective in the treatment of subjects suffering from impaired nervous or intellectual functioning due to deficiencies in the number or strength of excitatory synapses or in the number of AMPA receptors. The compounds can also be used for the treatment of nonimpaired subjects for enhancing performance in sensory-motor and cognitive tasks which depend on brain networks utilizing AMPA receptors for improving , the performance of subjects with memory deficiencies for treating depression, alcoholism and …
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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 May 23, 1996 and granted April 24, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 23, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 2018.
- 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.