Patents by Inventor Edward A. Dylke

Edward A. Dylke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Determination of ionic species concentration by near infrared spectroscopy
    Publication number: 20020053640
    Abstract: A method for determining the concentration of hydrogen ion, organic anionic species and anionic species selected from the group consisting of OH−, CO3═, HS−, ClO3−, SO4═, S2O3═, polysulfide and peroxide in an aqueous sample solution, said method comprising subjecting said solution to near infrared radiation at a wavelength region of wave numbers selected from about 7,000 to 14,000 cm−1 through a solution path length of at least 3 mm to obtain spectral data for said solution; obtaining comparative spectral data for said anionic species at known concentrations in aqueous solutions; and correlating by multivariate calibration the relationships between said spectral data of said sample solution and said comparative spectral data to determine said concentration of said anionic species in said sample solution.
    Type: Application
    Filed: November 30, 2001
    Publication date: May 9, 2002
    Inventors: Michael Kester, Denys F. Leclerc, Thanh P. Trung, Edward A. Dylke
  • Determination of ionic species concentration by near infrared spectroscopy
    Patent number: 6339222
    Abstract: A method for determining the concentration of hydrogen ion, organic anionic species and anionic species selected from the group consisting of OH−, CO3═, HS−, ClO3−, SO4═, S2O3═, polysulphide and peroxide in an aqueous sample solution, said method comprising subjecting said solution to near infrared radiation at a wavelength region of wave numbers selected from about 7,000 to 14,000 cm−1 through a solution path length of at least 3 mm to obtain spectral data for said solution; obtaining comparative spectral data for said anionic species at known concentrations in aqueous solutions; and correlating by multivariate calibration the relationships between said spectral data of said sample solution and said comparative spectral data to determine said concentration of said anionic species in said sample solution.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: January 15, 2002
    Assignees: Kvaerner Canada Inc., Pulp & Paper Research Institute of Canada
    Inventors: Michael Kester, Denys F. Leclerc, Thanh P. Trung, Edward A. Dylke