(19)

(11)

EP 1 552 045 A1

(12)

(43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03759069.2 (22) Date of filing: 10.10.2003

(51) International Patent Classification (IPC)7: D02G 3/44, D02G 3/40 (86) International application number: PCT/NL2003/000687 (87) International publication number: WO 2004/033774 (22.04.2004 Gazette 2004/17)

(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: 10.10.2002 EP 02079204 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: VEILLAT, Cyril, David NL-6226 BC Maastricht (NL) DIRKS, Christiaan, Henri, Peter B-3650 Dilsen (BE) (74) Representative: Bootsma, Jan P.C.  DSM Intellectual Property,P.O. Box 9 6160 MA Geleen 6160 MA Geleen (NL)