Patents by Inventor Kazumune Nakao

Kazumune Nakao 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 for the disposal of polychlorinated biphenyls
    Patent number: 4351978
    Abstract: The invention provides a method of disposing of polychlorinated biphenyls without causing a health hazard to the public in which the polychlorinated biphenyls are converted into harmless and useful compounds. This is accomplished by the hydrogenation-dechlorination thereof.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: September 28, 1982
    Assignees: Osaka Prefectural Government, Daido Sanso Kabushiki Kaisha
    Inventors: Yasuhiro Hatano, Kazumune Nakao