(19)

(11)

EP 2 794 985 A1

(12)

(43) Date of publication: 29.10.2014 Bulletin 2014/44 (21) Application number: 12812212.4 (22) Date of filing: 18.12.2012

(51) International Patent Classification (IPC):  D07B 5/00(2006.01) D07B 1/02(2006.01) (86) International application number: PCT/EP2012/076005 (87) International publication number: WO 2013/092622 (27.06.2013 Gazette 2013/26)

(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 (30) Priority: 19.12.2011 EP 11194279 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: DARDA, Kishor Santacruz East Mumbai 400098 (IN) BOSMAN, Rigobert NL-6100 AA Echt (NL) DIRKS, Christiaan Henri Peter NL-6100 AA Echt (NL) (74) Representative: Zuideveld, Mihaela  P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)