(19)

(11)

EP 3 390 503 A1

(12)

(43) Date of publication: 24.10.2018 Bulletin 2018/43 (21) Application number: 16815826.9 (22) Date of filing: 16.12.2016

(51) International Patent Classification (IPC):  C08J 5/18(2006.01) B29C 55/02(2006.01) D01F 6/04(2006.01) (86) International application number: PCT/EP2016/081365 (87) International publication number: WO 2017/103055 (22.06.2017 Gazette 2017/25)

(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: 16.12.2015 WO PCT/EP2015/200365 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: SHEN, Lihua 6100 AA Echt (NL) SEVERN, John, Richard 6100 AA Echt (NL) BASTIAANSEN, Cornelis, Wilhelmus, Maria 6100 AA Echt (NL) (74) Representative: DSM Intellectual Property  P.O. Box 4 6100 AA Echt 6100 AA Echt (NL)