Substituted benzoic acid derivatives having nf-kb inhibiting action
CA 2429005 A1 · Owner: Daiichi Suntory Pharma Co. Ltd. · Inventors: Suzuki, Kenji; Nunokawa, Yoichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Substituted benzoic acid derivatives represented by the general formula ( ) and exhibiting NF-.kappa.B inhibiting activity: ( ) ( ) ( ) wherein R3 R4, and R5 are each independently hydrogen C1-6 alkyl, or C1-6 alkoxy; R9 and R10 are each independently hydrogen, C1-6 alkyl or C2-11 acyl; R2 is an , optionally substituted aromatic hydrocarbon group or an optionally substituted heterocyclic group; and X is carboxyl which may be converted into an ester or an amide.
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 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 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.