(19)

(11)

EP 3 724 233 A1

(12)

(43) Date of publication: 21.10.2020 Bulletin 2020/43 (21) Application number: 18847219.5 (22) Date of filing: 12.12.2018

(51) International Patent Classification (IPC):  C08B 15/02(2006.01) C08L 1/04(2006.01) C08L 1/02(2006.01) (86) International application number: PCT/IB2018/059917 (87) International publication number: WO 2019/116245 (20.06.2019 Gazette 2019/25)

(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: KH MA MD TN (30) Priority: 13.12.2017 SE 1751540 (71) Applicant: Stora Enso Oyj 00101 Helsinki (FI)	(72) Inventor: SVENSSON, Adrianna 656 38 Karlstad (SE) (74) Representative: Forsberg, Anna Karin  Stora Enso AB Group Intellectual Property Box 9090 65009 Karlstad 65009 Karlstad (SE)