Patents Assigned to Petpoleum Energy Center
  • Process for producing hydrodesulfurization catalyst and hydrodesulfurizing gas oil therewith
    Patent number: 6063265
    Abstract: A process for producing a hydrodesulfurization catalyst is disclosed, comprising impregnating an inorganic oxide carrier containing a crystalline aluminosilicate with a solution consisting of Group VI metal oxide, a Group VIII metal oxide, and phosphorus. Also disclosed is a process for deep hydrodesulfurization of a gas oil fraction using said catalyst to obtain gas oil having an extremely low sulfur content.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 16, 2000
    Assignees: Cosmo Oil Co., Ltd., Petpoleum Energy Center
    Inventors: Osamu Chiyoda, Kazushi Usui, Mitsugu Yumoto, Kazuo Idei, Etsuo Suzuki, Katsuyoshi Ohki, Takashi Fujikawa, Hatsutaro Yamazaki, Shunji Kitada