1-n-aminobenzimidazole derivatives
CA 2480890 A1 · Owner: Miura, Naoyoshi · Inventors: Miura, Naoyoshi; Morita, Hitoshi; Nishioka, Hiroyasu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is intended to provide 1-N-aminobenzimidazole derivatives represented by the following general formula (I) or salts thereof and drugs containing the same: wherein R1 and R2 represent each optionally substituted alkyl etc.; R3, R5 and R6 represent each alkyl alkoxy, hydrogen, etc.; R4 represents optionally substituted alkyl, etc.; A represents a benzene ring etc.; B , represents oxygen, etc.; and n is an integer of from 0 to 2. Because of showing little individual differences in the therapeutic effect based on individual differences in the CYP2C19 activity the compounds (I) can exert an , appropriate therapeutic effect on any patients in a single administration dose. Moreover, these …
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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 March 28, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 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.