Patents Assigned to SPI TECHNOLOGY LTD.
  • Publication number: 20180059077
    Abstract: An apparatus and method for measuring hydrogen peroxide concentration in water to an accuracy of 0.1 ppm comprises a colorimetric assay method to determine hydrogen peroxide concentration. The assay is monitored spectophotometrically at a desired wavelength. Each sample is corrected relative to a control sample and hydrogen peroxide concentration determined with respect to a standard curve.
    Type: Application
    Filed: October 31, 2017
    Publication date: March 1, 2018
    Applicant: SPI TECHNOLOGY LTD.
    Inventors: Jim SHUBAT, Gerben OP DEN BUIJS, Ludo FEYEN
  • Patent number: 9835601
    Abstract: An apparatus and method for measuring hydrogen peroxide concentration in water to an accuracy of 0.1 ppm comprises a colorimetric assay method to determine hydrogen peroxide concentration. The assay is monitored spectophotometrically at a desired wavelength. Each sample is corrected relative to a control sample and hydrogen peroxide concentration determined with respect to a standard curve.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: December 5, 2017
    Assignee: SPI TECHNOLOGY LTD.
    Inventors: Jim Shubat, Gerben op den Buijs, Ludo Feyen
  • Publication number: 20150377848
    Abstract: An apparatus and method for measuring hydrogen peroxide concentration in water to an accuracy of 0.1 ppm comprises a colorimetric assay method to determine hydrogen peroxide concentration. The assay is monitored spectophotometrically at a desired wavelength. Each sample is corrected relative to a control sample and hydrogen peroxide concentration determined with respect to a standard curve.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 31, 2015
    Applicant: SPI TECHNOLOGY LTD.
    Inventors: Jim SHUBAT, Gerben OP DEN BUIJS, Ludo FEYEN