METHOD OF PRODUCING PAPER AND CARDBOARD - Patent 1957709

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EP 1 957 709 A1

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(43)	Date of publication:
	20.08.2008 Bulletin 2008/34

(21)	Application number: 06830916.0

(22)	Date of filing: 05.12.2006

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International Patent Classification (IPC):

D21C 9/00^(2006.01)
D21C 5/00^(2006.01)

D21H 17/00^(2006.01)

(86)	International application number:
	PCT/FI2006/000406

(87)	International publication number:
	WO 2007/065969 (14.06.2007 Gazette 2007/24)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

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Priority:

05.12.2005 FI 20051256

(71)	Applicant: Oy Keskuslaboratorio - Centrallaboratorium Ab
	02151 Espoo (FI)

(72)	Inventor:
	PEKKALA, Osmo FI-01600 Vantaa (FI)

(74)	Representative: Sundman, Patrik Christoffer
	Seppo Laine Oy Itämerenkatu 3 B 00180 Helsinki 00180 Helsinki (FI)

(54)	METHOD OF PRODUCING PAPER AND CARDBOARD