Patents Assigned to Centralin Gesellschaft, Chem. Fabrik Kircher & Co.
  • Process for applying a hard wax protective coating on glass
    Patent number: 3997693
    Abstract: A protective surface coating is formed on the surface of a glass object by spraying an aqueous emulsion of a hard wax onto a surface of the object and removing water from the emulsion by the action of heat.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: December 14, 1976
    Assignee: Centralin Gesellschaft, Chem. Fabrik Kircher & Co.
    Inventor: Burkhard Kircher