Patents Assigned to Kalcor Coatings Company, Incorporated
  • Anti-sticking composition for coating unvulcanized rubber
    Patent number: 4306994
    Abstract: A dry composition is described which can be converted to an anti-sticking composition for unvulcanized rubber by dispersion in water, consisting essentially of a film forming clay (bentonite or attapulgite), a surfactant and an additive capable of inactivating calcium and magnesium ions (e.g. polyphosphate); optionally, there may be present a defoamer, and up to equal parts by volume, based on a film forming clay, of a filler to speed drying.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: December 22, 1981
    Assignee: Kalcor Coatings Company, Incorporated
    Inventor: William M. Ellslager