(19)

(11)

EP 1 581 697 A1

(12)

(43) Date of publication: 05.10.2005 Bulletin 2005/40 (21) Application number: 03811566.3 (22) Date of filing: 07.11.2003

(51) International Patent Classification (IPC)7: D21H 21/02 (86) International application number: PCT/SE2003/001727 (87) International publication number: WO 2004/046464 (03.06.2004 Gazette 2004/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 19.11.2002 EP 02445152 (71) Applicant: Akzo Nobel N.V. 6800 SB Arnhem (NL)	(72) Inventors: TOKARZ, Marek S-442 39 KUNGÄLV (SE) NILSSON, Jerker S-415 14 GÖTEBORG (SE) (74) Representative: Jönsson, Christer et al Eka Chemicals AB, Patent Department, Box 11556 100 61 Stockholm 100 61 Stockholm (SE)