Patents by Inventor Shigeru Juzu

Shigeru Juzu 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).

  • Coloring of inorganic substrates and mineral materials
    Patent number: 4162348
    Abstract: A method for coloring inorganic substrates such as glass beads, glass fibers, mineral wool, rock wool, mineral fiber boards and cloths, concrete molded materials, inorganic pigments and metallic powders, which comprises treating the inorganic substrate with (1) a cationic component comprising(a) a water soluble cationic resin or an aqueous solution of a water soluble cationic resin,(b) an aqueous solution of a water soluble cationic resin and a water soluble cationic dye, or(c) an aqueous dispersion of a water soluble cationic resin, a cationic dispersing agent plus a water insoluble dye or pigment and, optionally, a cationic water soluble dye; andWith (2) an anionic component comprising(d) an aqueous solution of a water soluble anionic dye,(e) an anionic dispersing agent or an aqueous solution of an anionic dispersing agent,(f) an aqueous solution of an anionic dispersing agent and a water soluble anionic dye, or(g) an aqueous dispersion of an anionic dispersing agent plus a water insoluble dye or pigment an
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: July 24, 1979
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shigeru Juzu, Hiroyuki Okazaki, Yasuyuki Suzuki