Patents by Inventor Kenichi Sekiguchi

Kenichi Sekiguchi 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 removing a harmful substance selected from the group consisting of ethylene, mercaptans, amines, and aldehydes
    Patent number: 5252190
    Abstract: A harmful substance remover, which is used to remove any of ethylene, mercaptans, amines and aldehydes, is a solid product having a specific surface area of 100 m.sup.2 /g or more obtained by hydrolyzing a metal alkoxide in the presence or absence of a noble metal. The harmful substance remover is utilized by contacting a harmful substance therewith. Such contacting may take place under irradiation of ultraviolet rays.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: October 12, 1993
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Kenichi Sekiguchi, Tsunehisa Ueda, Tadao Natsuume