Patents Assigned to Resistor Products, Inc.
  • Patent number: 5423910
    Abstract: A solution for treatment of cement, glazed or porcelain surfaces to increase the coefficient of friction of that surface, whether dry or wet to greater than 0.6, preferably to about 0.8, wherein the solution comprises about 10% phosphoric acid, less than about 40 gms. of sodium bifluoride and a wetting agent in water.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: June 13, 1995
    Assignee: Resistor Products, Inc.
    Inventor: Harold Schiller