METHOD FOR BLEACHING MECHANICAL AND CHEMITHERMOMECHANICAL PULP - Patent 1266074

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EP 1 266 074 A1

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(43)	Date of publication:
	18.12.2002 Bulletin 2002/51

(21)	Application number: 01906451.8

(22)	Date of filing: 08.02.2001

(51)	International Patent Classification (IPC)⁷: D21C 9/10, D21C 9/16

(86)	International application number:
	PCT/SE0100/260

(87)	International publication number:
	WO 0105/9205 (16.08.2001 Gazette 2001/33)

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

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Priority:

11.02.2000 SE 0000431

(71)	Applicant: Holmen Aktienbolag
	114 84 Stockholm (SE)

(72)	Inventors:
	ZHANG, Yijing S-761 41 Norrtälje (SE) NI, Yonghao Fredericton, New Brunswick (CA) WANG, Shuyu Fredericton,New Brunswick E3B 2Y1 (CA)

(74)	Representative: Fürniss, Peter, Dr.rer.nat.Dipl.Chem
	Winter, Brandl, Fürniss, Hübner,Röss, Kaiser, PoltePartnerschaftPatent- und RechtsanwaltskanzleiAlois-Steinecker-Strasse 22 85354 Freising 85354 Freising (DE)

(54)	METHOD FOR BLEACHING MECHANICAL AND CHEMITHERMOMECHANICAL PULP