Patents Assigned to The Georgia Marble Company
  • Calcium carbonate containing kaolin clay additive
    Patent number: 4264372
    Abstract: A calcium carbonate composition contains a minor amount of kaolin clay, said kaolin clay being present in an amount sufficient to improve the dispersibility of the calcium carbonate, particularly in rubber matrices.
    Type: Grant
    Filed: October 25, 1979
    Date of Patent: April 28, 1981
    Assignee: The Georgia Marble Company
    Inventor: Matthew D. Graves
  • Calcium carbonate filler
    Patent number: 4170658
    Abstract: An improved calcium carbonate filler in the form of a powder having a particle size distribution range and other identifiable physical characteristics produces unexpected results as a filler in resin molding compounds.
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: October 9, 1979
    Assignee: The Georgia Marble Company
    Inventors: David L. Skinner, Edward L. Moon