METHOD AND APPARATUS FOR ALKALINE DELIGNIFICATION OF LIGNOCELLULOSIC FIBROUS MATERIALS - Patent 0211945

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EP 0 211 945 A1

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(43)	Date of publication:
	04.03.1987 Bulletin 1987/10

(21)	Application number: 86901622.0

(22)	Date of filing: 12.02.1986

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International Patent Classification (IPC):

D21C 9/ 10^{( . )}

(86)	International application number:
	PCT/US1986/000308

(87)	International publication number:
	WO 1986/004938 (28.08.1986 Gazette 1986/19)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

14.02.1985 US 19850701571

(71)	Applicant: ELTON, Edward Francis
	Alpharetta, GA 30201 (US)

(72)	Inventor:
	ELTON, Edward Francis Alpharetta, GA 30201 (US)

(74)	Representative: Patentanwälte Dipl.-Ing. Rudolf Bibrach Dipl.-Ing. Elmar Rehberg
	Postfach 31 62 D-37021 Göttingen D-37021 Göttingen (DE)

(54)	METHOD AND APPARATUS FOR ALKALINE DELIGNIFICATION OF LIGNOCELLULOSIC FIBROUS MATERIALS