Patents by Inventor Bertil Magnusson

Bertil Magnusson 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).

  • Method of analysis hydrogen peroxide
    Patent number: 5474938
    Abstract: The invention relates to a method of determining the content of hydrogen peroxide in an aqueous solution, which is brought to a pH below 3, supplied with an excess of I.sup.-, and irradiated with light, the absorbance being measured at a predetermined wavelength. The invention also relates to an analyser for carrying out the method. Further, the invention relates to a method and a system of controlling the supply of hydrogen peroxide to an aqueous solution.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: December 12, 1995
    Assignee: Eka Nobel AB
    Inventors: Gunilla Jadesjo, Bertil Magnusson, Signar Sundstrand