(19)

(11)

EP 2 935 666 A1

(12)

(43) Date of publication: 28.10.2015 Bulletin 2015/44 (21) Application number: 13814124.7 (22) Date of filing: 19.12.2013

(51) International Patent Classification (IPC):  D01D 5/16(2006.01) D02G 3/44(2006.01) D01F 6/04(2006.01) (86) International application number: PCT/EP2013/077449 (87) International publication number: WO 2014/096228 (26.06.2014 Gazette 2014/26)

(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: 20.12.2012 EP 12198531 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: MARISSEN, Roelof NL-6100 AA Echt (NL) VERDAASDONK, Peto NL-6100 AA Echt (NL) HEIJNEN, Johannes Hendrikus Marie NL-6100 AA Echt (NL) (74) Representative: Meessen, Patric Holger  DSM Intellectual Property Urmond Office P.O. Box 4 6100 AA ECHT 6100 AA ECHT (NL)