Patents by Inventor Norie Yoshida

Norie Yoshida 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).

  • Method of treating radioactive waste water resulting from decontamination
    Patent number: 4693833
    Abstract: A method of treating radioactive waste water generated during chemical decontamination at nuclear power facilities is disclosed. Decontaminating agents, with organic acids, and normally containing inhibitors and surface active agents, are decomposed by oxidation using hydrogen peroxide, at a temperature of 60.degree.-90.degree. C., in the presence of copper ions, or copper ions and iron ions, as catalysts.
    Type: Grant
    Filed: July 24, 1985
    Date of Patent: September 15, 1987
    Assignee: JGC Corporation
    Inventors: Masami Toshikuni, Kazunori Suzuki, Norie Yoshida