Patents by Inventor Yasuhiro Shimoura

Yasuhiro Shimoura 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 preparing 2-alkyl-6-ethylnaphthalene
    Patent number: 5321182
    Abstract: 2-Alkyl-6-ethylnaphthalene is prepared selectively and efficiently by the reaction of at least one kind of feed naphthalene selected from naphthalene and 2-alkylnaphthalenes with polyethylbenzenes at 50.degree. to 400.degree. C. in the presence of a solid acid catalyst.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: June 14, 1994
    Assignee: Nippon Steel Chemical Co., Ltd.
    Inventors: Genki Takeuchi, Mituru Shiroshita, Kazuyoshi Kariu, Yasuhiro Shimoura