NOBLE METAL CATALYSTS FOR THE REDUCTION OF NO x? IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN - Patent 0721368

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EP 0 721 368 A1

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(43)	Date of publication:
	17.07.1996 Bulletin 1996/29

(21)	Application number: 94929929.0

(22)	Date of filing: 29.09.1994

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International Patent Classification (IPC):

B01D 53/ 94^{( . )}
F02B 3/ 06^{( . )}

B01J 37/ 14^{( . )}

(86)	International application number:
	PCT/US1994/011014

(87)	International publication number:
	WO 1995/009687 (13.04.1995 Gazette 1995/16)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

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Priority:

01.10.1993 US 19930130340

(71)	Applicant: ASEC Manufacturing Company
	Catoosa, Oklahoma 74015 (US)

(72)	Inventors:
	NUNAN, John, Gerard Palatine, IL 60067 (US) KHARAS, Karl, C., C. Des Plaines, IL 60016 (US) ROBOTA, Heinz, Juergen Elmhurst, IL 60126 (US)

(74)	Representative: Lucas, Brian Ronald
	Lucas & Co. 135 Westhall Road Warlingham Surrey CR6 9HJ Warlingham Surrey CR6 9HJ (GB)

(54)	NOBLE METAL CATALYSTS FOR THE REDUCTION OF NO x? IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN