Title:
【発明の名称】ロジウム、ジルコニアおよび希土類元素酸化物を含んでなる排ガス触媒
Document Type and Number:
Japanese Patent JP2002518171
Kind Code:
A
Abstract:
A catalyst comprising rhodium on a support, the support comprising 52-95% zirconia and 5-48% rare earth oxide, based on the total weight of (a) and (b), the concentration of the rhodium on the support being 0.035-0.35% based on the total weight of the rhodium and the support, and the catalyst containing 1.2-4.0 g per in<3 >(g per 16.4 cm<3>) in total of (a) and (b).
Inventors:
Paul, Joseph, Andersen
Application Number:
JP2000555697A
Publication Date:
June 25, 2002
Filing Date:
June 16, 1999
Export Citation:
Assignee:
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
International Classes:
B01D53/94; B01J23/63; (IPC1-7): B01J23/63; B01D53/94
Domestic Patent References:
| JPH04284847A | 1992-10-09 | |||
| JPS63116742A | 1988-05-21 | |||
| JPH04219140A | 1992-08-10 | |||
| JPH0243951A | 1990-02-14 |
Foreign References:
| WO1998003251A1 | 1998-01-29 | |||
| WO1997023278A1 | 1997-07-03 |
Attorney, Agent or Firm:
Kazuo Sato (3 others)