Patents Assigned to Kewanee Oil Company
  • Antimony-free yellow pigments and their preparation
    Patent number: 3956007
    Abstract: A new antimony-free yellow pigment is prepared by calcining anatase titanium dioxide with a limited quantitative combination of nickel, tungsten, zinc, lithium, cerium and magnesium compounds.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: May 11, 1976
    Assignee: Kewanee Oil Company
    Inventor: Zoltan M. Modly