Patents by Inventor Junichi Tomiuga

Junichi Tomiuga 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-base polyurethane emulsion
    Patent number: 4507430
    Abstract: A water-base polyurethane emulsion useful as an adhesive or coating material for a polyolefin resin, which comprises a polyol component and a polyisocyanate component, characterized in that a hydrogenated polyalkadiene polyol is used as the polyol component.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: March 26, 1985
    Assignee: Hodogaya Chemical Co., Ltd.
    Inventors: Shigeru Shimada, Akira Kuroda, Junichi Tomiuga, Shinzi Ishikawa