Patents by Inventor Rey Sudo

Rey Sudo 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).

  • Cement solidification treatment of spent ion exchange resins
    Patent number: 4904416
    Abstract: Disclosed is an improved process for cement solidification treatment for disposition of spent ion exchange resins exhausted from nuclear power plants.The wet resin particles are centrifuged to remove free water therefrom and subjected to the pre-treatment of coating with a small amount of cement powder, and then, cement powder and water is added to the resin particles and the mixture is kneaded to form cement paste, which is cast in to a vessel for solidification.The cast product contains much more resin particles and has improved water-resistability.
    Type: Grant
    Filed: July 26, 1988
    Date of Patent: February 27, 1990
    Assignees: Kyushu Electric Power Co., Ltd., JGC Corp.
    Inventors: Rey Sudo, Norimitsu Kurumada, Fukuzo Todo, Masao Hara, Kenzo Sauda