Benzothiazinone and benzoxazinone compounds
CA 2375734 A1 · Owner: Rafferty, Paul · Inventors: Ortego Martinez, Jose L.; Fernandez, Isabel F.; Calderwood, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Q is - N=or CR2; X is S, O or NOR3; Y is-O- -S-, -SO- or -SO2-; R and R1 are , each independently, H, a substituted or unsubstituted aliphatic aromatic, heteroaromatic or aralkyl group R2 is H or a substituent; R3 is H or -C(O)R4; , R4 is a substituted or unsubstituted aliphatic or aromatic group; n is an integer from 0 to 1. Chemical compounds having structural formula (I) and physiologically acceptable salts thereof are inhibitors of serine/threonine , and tyrosine kinase activity. Several of the tyrosine kinases whose activity , is inhibited by these chemical compounds are involved in angiogenic , processes. Thus these chemical compounds can ameliorate disease states where …
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 2, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2022.
- 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.