Treatment of sleep disorders using sleep target modulators
CA 2473586 A1 · Owner: Edgar, Dale M. · Inventors: Leighton, Harry Jefferson; Edgar, Dale M.; Hangauer, David G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to compositions used for treating sleep disorders. In addition, the invention provides convenient methods of treatment of a sleep disorder. Furthermore, the invention provides methods of treating sleep disorders using compositions that remain active for a discrete period of time to reduce side effects. More specifically the invention is directed to the , compositions and use of ester derivatized trazodone compounds for the treatment of sleep disorders.
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 January 21, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 21, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 2025.
- 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.