(19)

(11)

EP 1 799 364 A1

(12)

(43) Date of publication: 27.06.2007 Bulletin 2007/26 (21) Application number: 05777297.2 (22) Date of filing: 26.08.2005

(51) International Patent Classification (IPC):  B07C 5/14(2006.01) D21C 1/00(2006.01) D21B 1/00(2006.01) (86) International application number: PCT/FI2005/000369 (87) International publication number: WO 2006/021618 (02.03.2006 Gazette 2006/09)

(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 (30) Priority: 26.08.2004 FI 20041121 (71) Applicant: M-Real Oyj 02100 Espoo (FI)	(72) Inventors: RANUA, Jukka FI-08100 Lohja (FI) LILLEBERG, Risto FI-02200 Espoo (FI) (74) Representative: Knuth-Lehtola, Sisko Hillevi et al Seppo Laine Oy, Itämerenkatu 3 B 00180 Helsinki 00180 Helsinki (FI)