06171572 is referenced by 33 patents and cites 13 patents.

A zirconium—cerium composite oxide having excellent heat resistance and being capable of maintaining its large specific surface area even when used under high-temperature conditions, which composite oxide contains zirconium and cerium at a weight ratio of 51 to 95:49 to 5 in terms of zircomium oxide and ceric oxide, the composite oxide having a specific surface area of not smaller than 50 m

2

/g, wherein said composite oxide is capable of maintaining a specific surface area of not smaller than 20 m

2

/g even after heating at 1100° C. for 6 hours, a method for preparing the same, and a co-catalyst for purifying exhaust gas prepared with the composite oxide.

Title
Method for preparing a zirconium-cerium composite oxide
Application Number
9/331821
Publication Number
6171572 (B2)
Application Date
June 22, 1999
Publication Date
January 9, 2001
Inventor
Shigeru Aozasa
Amagasaki
US
Agent
Darby & Darby
US
Assignee
Anan Kasei
US
IPC
C01F 17/00
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