Patents by Inventor Michiyuki Ashihara

Michiyuki Ashihara 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).

  • Coated granular pesticide method for producing the same and applications thereof
    Patent number: 6036971
    Abstract: A coated granular pesticide comprising a granular pesticide for use on plants which comprises at least one hardly water-soluble active ingredient and at least one water-swelling substance, and a thermoplastic resin-based film which covers the surface of the granular pesticide; a method for producing the same; and applications thereof. A surfactant, inorganic powder insoluble or hardly soluble in water, water-absorbing and/or water-soluble polymer fine powder, a thermosetting resin, or a biodegradable polymer insoluble or hardly soluble in water, or a combination thereof may be incorporated into the film.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: March 14, 2000
    Assignee: Chisso Corporation
    Inventors: Narutoshi Kimoto, Yoshiya Kutsuzawa, Michiyuki Ashihara