(19)

(11)

EP 3 435 770 A1

(12)

(43) Date of publication: 06.02.2019 Bulletin 2019/06 (21) Application number: 17714717.0 (22) Date of filing: 30.03.2017

(51) International Patent Classification (IPC):  A23C 9/00(2006.01) A23C 9/12(2006.01) A23C 9/20(2006.01) (86) International application number: PCT/EP2017/057488 (87) International publication number: WO 2017/167847 (05.10.2017 Gazette 2017/40)

(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 Designated Validation States: MA MD (30) Priority: 31.03.2016 US 201662316460 P (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: DEKKER, Petrus Jacobus Theodorus 6100 AA Echt (NL) MUIJLWIJK, Cornelis Marinus 6100 AA Echt (NL) PAASMAN, Marten Aalt 6100 AA Echt (NL) (74) Representative: DSM Intellectual Property  P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)