Patents Represented by Attorney Vivienne T. White

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  • Electroless metal plated laminates
    Patent number: 4278739
    Abstract: A method of metallizing materials by coating a substrate material with a hydrophilic composite material; electrolessly metal plating the hydrophilic composite material with a metal to render the surface conductive; followed by electroplating a metal onto the conductive surface. The method can, for example, be utilized to produce metallized foams, embossing plates for reproduction of grains and textures, and decorative coatings for substrate materials.
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: July 14, 1981
    Assignee: Stauffer Chemical Company
    Inventor: Miguel Coll-Palagos
  • Dust abatement with calcium sulfate
    Patent number: 4269721
    Abstract: A method of treating stored coal to prevent dusting and reduce moisture penetration of the coal, comprising forming a hardened crust of a hydrated calcium sulfate containing composition over the exposed surface of the coal pile. The calcium sulfate product produced from the fluid bed combustion of coal in the presence of limestone is particularly useful.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: May 26, 1981
    Assignee: Stauffer Chemical Company
    Inventors: Klaus W. Mueller, Norman R. Olsen
  • Method and composition for inhibiting plaque
    Patent number: 4234568
    Abstract: Plaque formation can be inhibited by contacting teeth with the compounds formed by reacting a long chain aliphatic alkylene amine and trimetaphosphoric acid. The antiplaque inhibitors can be incorporated in a variety of oral preparations, including dental creams, mouthwashes, and the like.
    Type: Grant
    Filed: March 30, 1979
    Date of Patent: November 18, 1980
    Assignee: Stauffer Chemical Company
    Inventors: Frances C. Benkwitt, Fawzy G. Sherif