(19)

(11)

EP 2 834 398 A1

(12)

(43) Date of publication: 11.02.2015 Bulletin 2015/07 (21) Application number: 13715937.2 (22) Date of filing: 02.04.2013

(51) International Patent Classification (IPC):  D02G 3/02(2006.01) D01F 6/04(2006.01) D01F 1/10(2006.01) (86) International application number: PCT/EP2013/056872 (87) International publication number: WO 2013/149990 (10.10.2013 Gazette 2013/41)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 03.04.2012 EP 12162973 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventor: VERDAASDONK, Peto NL-6100 AA Echt (NL) (74) Representative: Zuideveld, Mihaela  P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)