A METHOD OF POLYSULPHIDE TREATMENT IN ALKALINE PULPING OF LIGNOCELLULOSE MATERIAL

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EP 0 091 457 A1

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(43)	Date of publication:
	19.10.1983 Bulletin 1983/42

(21)	Application number: 82903084.0

(22)	Date of filing: 13.10.1982

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International Patent Classification (IPC):

D21C 1/ 06^{( . )}
D21C 11/ 00^{( . )}

D21C 3/ 02^{( . )}

(86)	International application number:
	PCT/SE1982/000330

(87)	International publication number:
	WO 1983/001469 (28.04.1983 Gazette 1983/10)

(84)	Designated Contracting States:
	AT DE FR SE

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Priority:

21.10.1981 SE 19810006203

(71)	Applicant: MANNBRO, Nils V
	S-292 00 Karlshamn (SE)

(72)	Inventor:
	MANNBRO, Nils V S-292 00 Karlshamn (SE)

(74)	Representative: Karlzén, Bengt Erik
	AGA AB Patent Department S-181 81 Lidingö S-181 81 Lidingö (SE)

(54)	A METHOD OF POLYSULPHIDE TREATMENT IN ALKALINE PULPING OF LIGNOCELLULOSE MATERIAL