(19)

(11)

EP 1 597 418 A1

(12)

(43) Date of publication: 23.11.2005 Bulletin 2005/47 (21) Application number: 04709618.5 (22) Date of filing: 10.02.2004

(51) International Patent Classification (IPC)7: D01F 6/46 (86) International application number: PCT/EP2004/001210 (87) International publication number: WO 2004/076726 (10.09.2004 Gazette 2004/37)

(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: 26.02.2003 EP 03004115 (71) Applicant: Borealis Technology Oy 06201 Porvoo (FI)	(72) Inventors: VAN PARIDON, Henk B-3270 Scherpenheuvel-Zichem (BE) NOYNAERT, Nancy B-3850 Nieuwerken (BE) (74) Representative: VA TECH Patente GmbH & Co  Stahlstrasse 21a 4031 Linz 4031 Linz (AT)