Patents Assigned to Omya S. A.
  • Coating substances with a high concentration of solids, for coated papers
    Patent number: 4284546
    Abstract: A novel high-solids coating substance for coating paper and the like is provided. The coatings are in the form of solutions having pigment concentrations greater than 70%. The coatings provide high gloss and contain particles of calcium carbonate as substantially the only pigment.
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: August 18, 1981
    Assignee: Omya S. A.
    Inventors: Pierre Delfosse, Dieter Strauch