Patents by Inventor Shunjiro Saiki

Shunjiro Saiki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-borne autodepositing coating compositions
    Patent number: 5760112
    Abstract: A water-borne autodepositing coating composition that has a pH of 1.6 to 5 and contains as essential components a water-dispersible or water-soluble organic coating-forming resin, a liquid dispersion of carbon black, acid, and oxidizing agent, and that may contain metal ions as an optional component, has an excellent storage stability and produces a strongly adherent and highly corrosion-resistant coating when the liquid dispersion of carbon black is an aqueous dispersion in which carbon black is dispersed using as a dispersant a naphthalenesulfonate-formaldehyde condensate.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: June 2, 1998
    Assignee: Henkel Corporation
    Inventors: Mutsumi Hirota, Takumi Honda, Norifumi Hatano, Shoichi Sangenya, Shunjiro Saiki