Patents by Inventor Yoshihito Kaneko

Yoshihito Kaneko 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).

  • Hydrotreating catalyst and process of manufacture
    Patent number: 4837193
    Abstract: Hydrotreating catalyst comprising silica/alumina or silica/alumina-containing carrier comprising 2 to 35 wt. % silica and Group VIII and/or Group VIB metals as hydrogenation active components is prepared by first step impregnation with at least one Group VIII metal and a second step impregnation with at least one Group VIB metal. Preferably the impregnation is via ion exchange using a complex salt, preferably an ammine or amine salt, of the metal. The carrier is characterized by a maximum of pores in 30 to 100 .ANG. range and a minimum of pores in 0 to 30 .ANG. and in 300 .ANG.+.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: June 6, 1989
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Ikuo Akizuki, Hiroshi Kaya, Shohei Okano, Nobuo Otake, Keiji Kumagai, Yoshihito Kaneko