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(11)

EP 3 864 075 A1

(12)

(43) Date of publication: 18.08.2021 Bulletin 2021/33 (21) Application number: 19872212.6 (22) Date of filing: 08.10.2019

(51) International Patent Classification (IPC):  C08J 5/18(2006.01) B65D 65/40(2006.01) D21H 11/18(2006.01) B29D 7/01(2006.01) B32B 27/10(2006.01) C08L 1/08(2006.01) D21H 17/67(2006.01) B32B 29/00(2006.01) (86) International application number: PCT/IB2019/058546 (87) International publication number: WO 2020/075056 (16.04.2020 Gazette 2020/16)

(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: 08.10.2018 SE 1851216 (71) Applicant: Stora Enso Oyj 00101 Helsinki (FI)	(72) Inventor: KNÖÖS, Isabel 661 92 Säffle (SE)