CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY - Patent 0971855

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EP 0 971 855 A1

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(43)	Date of publication:
	19.01.2000 Bulletin 2000/03

(21)	Application number: 98914400.1

(22)	Date of filing: 01.04.1998

(51)	International Patent Classification (IPC)⁷: C01G 25/02, B01J 23/10, C07C 5/42, B01D 53/94

(86)	International application number:
	PCT/US9806/437

(87)	International publication number:
	WO 9845/212 (15.10.1998 Gazette 1998/41)

(84)	Designated Contracting States:
	AT BE DE ES FI FR GB IT SE

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Priority:

04.04.1997 US 42639 P
21.04.1997 US 837631

(71)	Applicant: RHODIA INC.
	Cranbury,New Jersey 08512-7500 (US)

(72)	Inventors:
	CUIF, Jean-Pierre Princeton, NJ 08540 (US) KEYER, Julie, Lynn, Shreeve Plainsboro, NJ 08536-1810 (US) DEUTSCH, Steven, Eric Plainsboro, NJ 08536 (US)

(74)	Representative: Dubruc, Philippe
	RHODIA SERVICESDirection de la Propriété Industrielle25, quai Paul Doumer 92408 Courbevoie Cédex 92408 Courbevoie Cédex (FR)

(54)	CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY