Chroman derivatives
CA 2583087 C · Owner: Edison Pharmaceuticals, Inc. · Inventors: Chen, Jian; Li, Xiangfeng; Zhang, Wei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to novel chroman derivatives stereoisomers and , pharmaceutically acceptable salts of Formula I wherein the substituents are , as defined in the specification. They are useful in the treatment of disorders mediated by lipoxygenase, such as immune diseases respiratory diseases and , cardiovascular diseases as well as in the treatment of neurodegenerative disorders and/or mitochondrial disorders. They are also useful in the manufacture of pharmaceutical formulations for the treatment of such conditions.
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 September 15, 2004 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2026.
- 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.