Patents by Inventor Yasuhiko Ishimoto

Yasuhiko Ishimoto 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 dispersible granules
    Patent number: 5180420
    Abstract: The water dispersible granule of the present invention contains (a) a pesticidal active ingredient which is solid at room temperature, (b) an anionic surface active agent, and (c) a kaolin series clay having a volume median diameter of 2 .mu.m or more, and it exhibits a good disintegrability-in-water and a high dispersion stability.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: January 19, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yasuyuki Katayama, Yasuhiko Ishimoto, Fumio Horide, Shigenori Tsuda, Fumio Nishioka