Patents by Inventor Yasutaka Arimoto

Yasutaka Arimoto 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).

  • Composition and a process for promoting dewatering of granulated slag
    Patent number: 4897201
    Abstract: A composition for promoting dewatering of granulated slag which comprises the combination of an anionic polyether sulfate surfactant with a cationic nitrogen-containing surfactant and optionally a defoaming agent, and a process for promoting dewatering of granulated slag using such composition, which are useful for preparing granulated slag having a moisture content of 4% or less as a material for cement.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: January 30, 1990
    Assignees: Katayama Chemical Works Co., Ltd., Nippon Steel Corporation
    Inventors: Akira Yamamoto, Yasutaka Arimoto, Michio Konno