Cyclic nucleotide phosphodiesterase inhibitors, preparation and uses thereof
CA 2446696 A1 · Owner: Neuro3D · Inventors: Macher, Jean-Paul; Schultz, Dominique; Lugnier, Claire
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns novel benzodiazepinone derivatives and their uses in therapy particularly for treating pathologies involving the activity of a phosphodiesterase of cyclic nucleotides. The invention also concerns methods for preparing them and novel synthesis intermediates. The inventive compounds more particularly correspond to general formula (I).
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 June 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 7, 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.