With Pusher Moving To Opening Patents (Class 100/84)
  • Additive for improved performance of silicate cement
    Patent number: 4221597
    Abstract: A silicate cement composition consisting of a spray dried hydrated sodium silicate powder and a silica polymer-forming agent includes an adhesive agent in the form of urea and sodium acetate which exhibits optimum adhesion to glass, metal, ceramics, wood and portland cement.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: September 9, 1980
    Assignee: Pullman Incorporated
    Inventor: William A. Mallow