Patents Represented by Attorney H. D. Doescher

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  • Decolorization treatment
    Patent number: 4355183
    Abstract: Inhibition of the formation of color bodies and color-forming materials and other contaminants and/or decolorization of discolored sulfur-containing organic compounds containing divalent sulfur by addition of a small amount of oxalic acid.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: October 19, 1982
    Assignee: Phillips Petroleum Company
    Inventors: Martin E. Nash, Edward E. Huxley