Patents by Inventor Seiichi Ozawa, deceased

Seiichi Ozawa, deceased 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).

  • Process for producing a high integrity container
    Patent number: 4687614
    Abstract: A high integrity container having a three-layered structure that is suitable as a container for use in storage and disposal of radioactive wastes or industrial wastes can be fabricated by casting a concrete lining as an inner layer on the inner surface of a metallic vessel as an outer layer, reinforcing the concrete lining with a reinforcing material and strengthening the concrete lining with an impregnant, and polymerizing and curing the impregnant layer that is formed as an intermediate layer between said metal drum and the concrete lining.
    Type: Grant
    Filed: May 14, 1985
    Date of Patent: August 18, 1987
    Assignees: Chichibu Cement Co., Ltd., Ozawa Concrete Industry Co., Ltd.
    Inventors: Osamu Suzuki, Kanjiro Ishizaki, Seiichi Ozawa, deceased