Patents by Inventor Yasunosuke Tanabe

Yasunosuke Tanabe 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).

  • Stabilized aqueous solutions of acrylamide polymers
    Patent number: 4317759
    Abstract: An aqueous acrylamide polymer solution is stabilized by causing it to contain in combination a 2-mercaptobenzimidazole compound and a phenolic antioxidant compound.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: March 2, 1982
    Assignees: Nitto Kagaku Kogyo Kabushiki Kaisha, Kawaguchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shoichi Kanda, Toshikazu Oda, Yasunosuke Tanabe, Takeshi Arai