Patents by Inventor Nomura Tadanori

Nomura Tadanori 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).

  • Compositions comprising neutralized polysaccharide derivatives
    Patent number: 5521292
    Abstract: The present invention provides:(1) a polysaccharide derivative having hydrophilic functional groups and nitrate groups per one repeating unit in the following range:0.2.ltoreq.X.ltoreq.1.5, 0.4.ltoreq.Y.ltoreq.2.2, X+Y<3;wherein X and Y represent the number of hydrophilic functional groups and nitrate groups, respectively;(2) the neutralized polysaccharide derivative;(3) the composition used as a binder containing the neutralized polysaccharide and water; and(4) the composition used as a vehicle containing the neutralized polysaccharide, a resin, an organic solvent and water.The vehicle composition has excellent properties such as drying characteristic, pigment dispersibility, compatibility with water soluble resins and thixotropic property, and it can form a clear continuous film having excellent heat resistance and blocking resistance.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: May 28, 1996
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Ikuo Ueda, Nomura Tadanori