Patents by Inventor Nobukazu Iwase

Nobukazu Iwase 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).

  • Patent number: 4350788
    Abstract: A synthetic resin emulsion containing an acetoacetylated polyvinyl alcohol as a protective colloid, which has improved properties such as water resistance, freeze-thaw stability, stability at low temperatures, adhesive property and high viscosity even in low solid content. The emulsion is useful for various purposes such as adhesive, paper treating agent, paint, fiber and textile treating agent and cement modifier.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: September 21, 1982
    Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    Inventors: Wataru Shimokawa, Yoshiaki Ito, Koichi Kobayashi, Katuaki Fukumori, Nobukazu Iwase