Bicyclic acyl guanidine sodium/proton exchange inhibitors and method
CA 2370607 A1 · Owner: O'Neil, Steven V. · Inventors: Dugar, Sundeep; O'Neil, Steven V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Acyl guanidines are provided which are sodium/proton exchange (NHE) inhibitors which have the structure (I) wherein n is 0 to 4; X is a bond O, S, SO, SO2, CO, (a), or NR7; Y is a bond O, S, SO, SO2, CO, (b) or NR7' wherein at least one of X and Y is other than a bond; and R1 R2, R3, R4, R5, R6, R7 and Ra, Rb, Rc, Rd are as defined herein and are useful as antianginal, cardioprotective agents antiischemic agents, and agents for peripheral vascular disease including intermittent claudication. In addition a method is , provided for preventing or treating angina pectoris cardiac dysfunction, myocardial necrosis arrhythmia, peripheral vascular diseases (PVD) including , peripheral …
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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 April 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 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.