Patents Assigned to The Diversey Corporation
  • Process for treatment of metallic surfaces by means of fluorophosphate salts
    Patent number: 4153478
    Abstract: Steel, aluminum and aluminum alloys, zinc and zinc alloys are treated to improve corrosion resistance with an aqueous solution of a fluorophosphate salt to passivate the metal surface, before or after phosphatizing and prior to painting.
    Type: Grant
    Filed: February 15, 1978
    Date of Patent: May 8, 1979
    Assignee: The Diversey Corporation
    Inventors: Bernard Parant, Louis Cot, William Granier, Jean-Henri Durand
  • Compositions for treatment of metallic surfaces by means of fluorophosphate salts
    Patent number: 4132572
    Abstract: Steel, aluminum and aluminum alloys, zinc and zinc alloys are treated to improve corrosion resistance with an aqueous solution of a fluorophosphate salt to passivate the metal surface, before or after phosphatizing and prior to painting.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: January 2, 1979
    Assignee: The Diversey Corporation
    Inventors: Bernard Parant, Louis Cot, William Granier, Jean-Henri Durand