Title:
最大被還元温度の低い、酸化ジルコニウム及び酸化セリウムベースの組成物、その製造方法並びに触媒としてのその使用
Document Type and Number:
Japanese Patent JP4579162
Kind Code:
B2
Abstract:
Composition comprising zirconium oxide and cerium oxide, with a zirconium oxide content of at least 50 wt.%, has a maximum reduction temperature of 500[deg]C or less and a surface area of at least 40 m 2>/g (after calcination at 500[deg]C for 6 hours) and is in the form of a tetragonal phase. Independent claims are also included for: (1) a process for producing the composition; (2) a catalyst system comprising the composition; (3) internal combustion engine exhaust gas treatment using the composition as a catalyst.
Inventors:
Olivier L'Arche
Emmanuel roal
Emmanuel roal
Application Number:
JP2005518715A
Publication Date:
November 10, 2010
Filing Date:
March 17, 2004
Export Citation:
Assignee:
Rhodia Electronics and Catalysis
International Classes:
C01G25/00; B01D53/94; B01J23/00; B01J23/10; B01J35/00; B01J37/00; B01J37/03; B01J37/08; F01N3/10; F01N3/28; B01J35/10
Domestic Patent References:
| JP2001524918A | ||||
| JP9221304A | ||||
| JP10512191A | ||||
| JP2002535135A | ||||
| JP2000319019A | ||||
| JP10194742A |
Attorney, Agent or Firm:
Axis International Patent Business Corporation