Neurotransmitter release enhancers
CA 2188427 C · Owner: Seymour, Patricia A. · Inventors: Jasys, Vytautas J.; Bright, Gene M.; Seymour, Patricia A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to, compounds of formula (IA) (IB), (IC) or (ID), wherein m, X, Z, R2 R3, R4, R5, R6, R14 and the, dotted lines are as defined below their pharmaceutically acceptable, salts pharmaceutical compositions, containing them and methods of using them to neat Alzheimer's disease, age-associated memory impairment Parkinson's disease and other central, nervous system disorders. The claimed compounds have the ability to enhance, the release of neurotransmitters such as acetylcholine, dopamine and serotonin.
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 March 20, 1995 and granted June 27, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 20, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2017.
- 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.