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EP 3 475 483 A1

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(43) Date of publication: 01.05.2019 Bulletin 2019/18 (21) Application number: 17739204.0 (22) Date of filing: 21.06.2017

(51) International Patent Classification (IPC):  D21H 19/38(2006.01) D21H 19/44(2006.01) D21H 19/50(2006.01) D21H 19/82(2006.01) D21H 19/40(2006.01) D21H 19/48(2006.01) D21H 19/54(2006.01) D21H 19/84(2006.01) (86) International application number: PCT/EP2017/065213 (87) International publication number: WO 2017/220644 (28.12.2017 Gazette 2017/52)

(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: 23.06.2016 EP 16175942 (71) Applicant: BillerudKorsnäs AB 169 27 Solna (SE)	(72) Inventors: LARSSON, Johan SE-805 98 Gävle (SE) TUFVESSON, Helena SE-802 67 Gävle (SE) KARLSSON, Anders SE-802 54 Gävle (SE) LINDSTEDT, Mikael SE-212 33 Malmö (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)