Title:
触媒担体粒子及びその製造方法、並びに排ガス浄化触媒
Document Type and Number:
Japanese Patent JP4265626
Kind Code:
B2
Abstract:
A catalyst support particle 10 is disclosed, wherein the particle comprises a zirconia-based metal oxide particle 1, and rare earth oxide-enriched areas 2 dotted on the surface thereof. A production process of a catalyst support particle is disclosed, wherein the process comprises (a) providing a colloidal solution containing a colloidal particle of rare earth hydroxide or oxide, (b) adding a zirconia-based metal oxide particle to the colloidal solution to cause the colloidal particle to be adsorbed and loaded on the surface of the zirconia-based metal oxide particle, and (c) drying and firing the zirconia-based metal oxide particle having the colloidal particle adsorbed and loaded thereon.
Inventors:
Shinichi Takeshima
Ryo Kiyoyama
Ryo Kiyoyama
Application Number:
JP2006191672A
Publication Date:
May 20, 2009
Filing Date:
July 12, 2006
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B01J23/10; B01D53/94; B01J23/63; B01J32/00; B01J37/02
Domestic Patent References:
| JP2000262898A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Nobuo Sekine
Takashi Ishida
Tetsuji Koga
Nobuo Sekine