Patents Assigned to ChemTrak
  • Hydrogen peroxide stabilization in assays
    Patent number: 5155025
    Abstract: Hydrogen peroxide stabilized in the presence of blood components by the addition of a metal oxide oxidant, an anionic chelating agent, particularly hydroxylic carboxylate and nitroprusside, and a catalase inhibitor. The composition finds particular application for stabilizing hydrogen peroxide in a diagnostic assay on a bibulous support.
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: October 13, 1992
    Assignee: ChemTrak
    Inventors: Michael P. Allen, Sheng-Fen Li