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(11)

EP 2 024 564 A1

(12)

(43) Date of publication: 18.02.2009 Bulletin 2009/08 (21) Application number: 07748534.0 (22) Date of filing: 30.05.2007

(51) International Patent Classification (IPC):  D21H 21/06(2006.01) D21H 17/68(2006.01) D21H 17/45(2006.01) D21H 23/76(2006.01) D21H 17/07(2006.01) D21H 23/04(2006.01) D21H 17/56(2006.01) D21H 21/16(2006.01) (86) International application number: PCT/SE2007/050373 (87) International publication number: WO 2007/139500 (06.12.2007 Gazette 2007/49)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 01.06.2006 EP 06114821 (71) Applicants: Akzo Nobel N.V. 6800 SB Arnhem (NL) EKA Chemicals AB 445 80 Bohus (SE) SE	(72) Inventors: LIESÉN, Jonas 444 65 Jörlanda (SE) RISÉN, Jeanette 416 52 Göteborg (SE) MOHLIN, Kristina 442 54 Ytterby (SE) LERNBRINK, Agneta 446 32 Älvängen (SE) (74) Representative: Schalkwijk, Pieter Cornelis  Akzo Nobel N.V. Intellectual Property Department P.O. Box 9300 6800 SB Arnhem 6800 SB Arnhem (NL)