Patents Assigned to Frederick G. Schwarzmann
  • Method for renewing grout
    Patent number: 4130442
    Abstract: Method for renewal of grout utilizing a composition comprising a surfactant a pigment and a water-soluble or water-dispersible organic binding agent and a method for renewing grout.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: December 19, 1978
    Assignee: Frederick G. Schwarzmann
    Inventors: Arthur W. Petersen, Arthur Cimiluca, Leonard Hirschberger
  • Tile and grout cleaner and restorer
    Patent number: 4028261
    Abstract: Compositions for tile and grout cleaning and renewal of grout comprising an aqueous dispersion of a sequestering agent, a surfactant, a pigment and a water-soluble or water-dispersible organic binding agent and a method for simultaneously cleaning and renewing tile and grout.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: June 7, 1977
    Assignee: Frederick G. Schwarzmann
    Inventors: Arthur W. Petersen, Arthur Cimiluca, Leonard Hirschberger