Biphenyl sulfonyl aryl carboxylic acids useful in the treatment of insulin resistance and hyperglycemia
CA 2330599 A1 · Owner: Adebayo, Folake Oluwemimo · Inventors: Adebayo, Folake Oluwemimo; Dollings, Paul Jeffrey; Malamas, Michael Sotirios
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides compounds of Formula (I) having the structure wherein A is (a) or (b), Q is (c) or (d); B is carbon or nitrogen; D is oxygen sulfur, or nitrogen; E is carbon or nitrogen; X is carbon nitrogen, oxygen, or sulfur; Y is a bond methylene, C(O), or CH(OH); Z is CH=CH nitrogen, oxygen, or sulfur; the dashed line of Q represents an optional double bond; R1 is alkyl of 1 to 12 carbons, aryl of 6-10 carbon atoms aralkyl of 7-15 carbon , atoms, halogen trifluoromethyl, alkoxy of 1-6 carbon atoms Het-alkyl wherein , the alkyl moiety contains 1-6 carbon atoms or aryl of 6-10 carbon atoms mono-, dior tri-substituted with trifluoromethyl alkyl of 1-6 carbon atoms or, alkoxy of …
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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 May 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2021.
- 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.