Patents by Inventor Tesuji Iwasaki

Tesuji Iwasaki 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).

  • Aqueous biocide suspension
    Patent number: 4770694
    Abstract: A water-insoluble biocide component can be effectively dispersed in water by using as a dispersant a phosphoric acid ester salt of a nonionic surfactant.
    Type: Grant
    Filed: March 10, 1982
    Date of Patent: September 13, 1988
    Assignee: Kao Soap Co., Ltd.
    Inventors: Tesuji Iwasaki, Tsuneyuki Takeno, Yukio Yamamoto