Patents by Inventor Atsushi Ebitani

Atsushi Ebitani 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).

  • Conversion of xylenes containing ethylbenzene
    Patent number: 4467129
    Abstract: Xylenes containing ethylbenzene are contacted with a catalyst comprising an acid type mordenite and a specific acid type zeolite such as, for example, ZSM-5, ZSM-8 or ZSM-11, in vapor phase in the presence of hydrogen, whereby there are performed deethylation of ethylbenzene and isomerization of xylenes.
    Type: Grant
    Filed: November 24, 1982
    Date of Patent: August 21, 1984
    Assignee: Toray Industries, Inc.
    Inventors: Kazuyoshi Iwayama, Atsushi Ebitani, Takehisa Inoue, Atsuo Kani
  • Adsorbent for separating para-xylene, and process for the preparation thereof
    Patent number: 4265788
    Abstract: An adsorbent for separating para-xylene from C.sub.8 aromatic hydrocarbons, specifically a faujasite zeolite which contains potassium, zirconium and proton or ammonium as cation, process for separating para-xylene, and process for making the adsorbent.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: May 5, 1981
    Assignee: Toray Industries, Inc.
    Inventors: Atsushi Ebitani, Takehisa Inoue, Kazuo Tsunoi