2-heterosubstituted 3-aryl-4h-1-benzopyran-4-ones as novel therapeutics in breast cancer
CA 2497584 A1 · Owner: The Ohio State University Research Foundation · Inventors: Brueggemeier, Robert; Kim, Young-Woo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides 2-heterosubstituted 3-aryl-4H-benzopyran-4-one compounds for the treatment of cancers namely breast cancer. This invention , further provides a method of synthesis of 2-(alkylthio)isoflavones that can be carried out at ambient conditions. This invention further provides a method of synthesis of the 2-heterosubstituted 3-aryl-4H-benzopyran-4-one from a 2- (alkylthio)isoflavone. The invention further provides methods of using the 2heterosubstitured 3-aryl-4H-benzopyran-4-one compounds for the treatment of breast cancer in mammals.
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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 August 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 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.