Stabilized tetrazolium reagent compositions and methods for using the same
CA 2412207 A1 · Owner: Lifescan, Inc. · Inventors: Huang, Paing; Ouyang, Tianmei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Stabilized tetrazolium dye reagent compositions and methods for their use in the, measurement of an analyte in a sample are provided. The subject reagent compositions, include a tetrazolium dye component e.g. a water soluble tetrazolium salt, and an effective amount of a nitrite stabilizing agent, e.g. a nitrite salt. In many embodiments, the subject, reagent compositions include additional members of an analyte oxidizing signal producing, system, such as: an analyte oxidizing enzyme e.g. an analyte dehydrogenase , or an analyte oxidase; an electron transfer agent; and an enzyme cofactor. Also provided are test strips, that include the subject reagent compositions as well as systems …
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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 November 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2024.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.