IMPROVED PULP BLEACHING APPARATUS AND METHOD

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EP 0 674 729 A1

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(43)	Date of publication:
	04.10.1995 Bulletin 1995/40

(21)	Application number: 94904438.0

(22)	Date of filing: 10.12.1993

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International Patent Classification (IPC):

D21C 9/ 02^{( . )}
D21C 9/ 10^{( . )}
D21C 9/ 153^{( . )}

D21C 9/ 06^{( . )}
D21C 9/ 147^{( . )}

(86)	International application number:
	PCT/US1993/012125

(87)	International publication number:
	WO 1994/015016 (07.07.1994 Gazette 1994/15)

(84)	Designated Contracting States:
	AT DE SE

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Priority:

18.12.1992 US 19920993323

(71)	Applicant: INGERSOLL-RAND COMPANY
	Woodcliff Lake New Jersey 07675-8738 (US)

(72)	Inventor:
	LUTHI, Oscar Nashua, NH 03062 (US)

(74)	Representative: Feakins, Graham Allan, et al
	RAWORTH, MOSS & COOK RAWORTH HOUSE 36 Sydenham Road Croydon, Surrey CRO 2EF Croydon, Surrey CRO 2EF (GB)

(54)	IMPROVED PULP BLEACHING APPARATUS AND METHOD