Patents by Inventor Nobuo Shimuta, deceased

Nobuo Shimuta, 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 preventing consolidation of p-dichlorobenzene
    Patent number: 5220081
    Abstract: A triethylene glycol derivative is added to p-dichlorobenzene so as to prevent consolidation and improve flowability of p-dichlorobenzene.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: June 15, 1993
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Ryuichi Mita, Nobuo Shimuta, deceased, Mamoru Ueda, Yosiro Nagatake, Toyohiro Tajiri