Inhibitors of intestinal apical membrane na/phosphate co-transportation
CA 2371910 A1 · Owner: The Board Of Regents Of The University Of Texas System · Inventors: Peerce, Brian E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The compounds of formula (I) are hydrophilic aryl phosphate thiophosphate, and aminophosphate intestinal apical membrane Na-mediated phosphate cotransportation inhibitors. The compounds can be administered orally where , they act to inhibit Na-dependent phosphate uptake in the intestines or , internally, where they interact with the phosphate control functions of the kidneys and parathyroid. They are therefore useful for inhibiting sodiummediated phosphate uptake, reducing serum PTH calcium, calcitriol, and , phosphate, and treating renal disease in an animal including a human.
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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 January 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 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
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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.