Patents by Inventor Jyo Kawamura

Jyo Kawamura 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).

  • Patent number: 5851975
    Abstract: The present invention relates to an enzyme-containing granulated substance comprising an enzyme-containing particulate substance and a coating layer which is formed on the particulate substance and comprises (a) water-insoluble or hardly water-soluble inorganic particles having an average particle diameter of 1 to 100 .mu.m, (b) water-insoluble or hardly water-soluble inorganic particles having an average particle diameter of 0.01 to 0.8 .mu.m and (c) a binder, and a preparation process thereof. The enzyme-containing granulated substance is not only high in productivity but also low in dusting characteristics and high in storage stability, and is hence useful as a formulation ingredient for detergents, in particular, bleacher-containing detergents.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: December 22, 1998
    Assignee: Kao Corporation
    Inventors: Toshihiro Kiuchi, Kohtaro Sano, Manabu Sato, Jyo Kawamura, Naoto Yamada