IMPROVED COMBINED ELECTRICALLY HEATABLE AND LIGHT-OFF CONVERTER - Patent 0733156

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EP 0 733 156 A1

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(43)	Date of publication:
	25.09.1996 Bulletin 1996/39

(21)	Application number: 95903135.0

(22)	Date of filing: 16.11.1994

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International Patent Classification (IPC):

B01D 53/ 94^{( . )}
B01J 35/ 04^{( . )}
F01N 3/ 28^{( . )}

B01J 35/ 00^{( . )}
F01N 3/ 20^{( . )}

(86)	International application number:
	PCT/US1994/013391

(87)	International publication number:
	WO 1995/016110 (15.06.1995 Gazette 1995/25)

(84)	Designated Contracting States:
	DE GB

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Priority:

09.12.1993 US 19930164038

(71)	Applicant: W.R. Grace & Co.-Conn.
	New York, New York 10036 (US)

(72)	Inventors:
	TSAI, Peter, Ru, Feng Columbia, MD 21046 (US) WHITTENBERGER, William, A. Hiram, OH 44234 (US)

(74)	Representative: Barlow, Roy James
	J.A. KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)

(54)	IMPROVED COMBINED ELECTRICALLY HEATABLE AND LIGHT-OFF CONVERTER