Patents by Inventor Katsuhiko Hisano

Katsuhiko Hisano 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).

  • Stabilized particle of sodium percarbonate
    Patent number: 5462804
    Abstract: A stabilized sodium percarbonate particle includes a sodium percarbonate particle having at least one coating layer thereon, wherein the at least one coating layer includes (a) a silicate; (b) magnesium sulfate; and (c) an alkali metal salt selected from the group consisting of alkali metal carbonates, alkali metal bicarbonates and alkali metal sulfate. The present sodium percarbonate particle is good in solubility and is excellent in its formulation stability with detergent.
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: October 31, 1995
    Assignee: Mitsubishi Gas Chemical Co., Ltd.
    Inventors: Jun Kokubu, Yasuo Hiro, Katsuhiko Hisano, Susumu Watanabe