Water-soluble polymeric metal ion affinity compositions and methods for using the same
CA 2447594 A1 · Owner: Tchaga, Grigoriy S. · Inventors: Tchaga, Grigoriy S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Water-soluble metal ion affinity compounds and methods for using the same are provided. The subject compounds include an aspartate based metal chelating ligand bonded to a water-soluble polymeric substrate where the ligand is , complexed with a metal ion. In certain embodiments the subject compounds , further include a member of a signal producing system e.g. a directly or an , indirectly detectable label moiety. Also provided are water-insoluble supports having the subject compounds present on e.g. immobilized on, at least one , surface thereof. The subject compounds find use in a variety of different applications, including analyte detection and analyte purification applications.
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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 June 20, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 2024.
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