Sorbitol dehydrogenase inhibitors
CA 2366858 A1 · Owner: Zembrowski, William James · Inventors: Murry, Jerry Anthony; Zembrowski, William James; Chu-Moyer, Margaret Yuhua
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is directed to sorbitol dehydrogenase inhibitory compounds of formula (I), wherein R1, R2 and R3 are as defined in the specification. This invention is also directed to pharmaceutical compositions containing those compounds and methods of treating or preventing diabetic complications particularly diabetic neuropathy, diabetic nephropathy diabetic , microangiopathy, diabetic macroangiopathy and diabetic cardiomyopathy by administering such compounds to a mammal suffering from diabetes and therefor at risk for developing such complications. This invention is also directed to pharmaceutical compositions comprising a combination of a compound of formula (I) of this …
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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 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 16, 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.