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(11)

EP 3 289 140 A1

(12)

(43) Date of publication: 07.03.2018 Bulletin 2018/10 (21) Application number: 15813459.3 (22) Date of filing: 22.12.2015

(51) International Patent Classification (IPC):  D21H 27/10(2006.01) D21H 11/10(2006.01) D21H 21/16(2006.01) D21H 11/08(2006.01) D21H 25/00(2006.01) D21H 17/28(2006.01) D21H 21/32(2006.01) (86) International application number: PCT/EP2015/080949 (87) International publication number: WO 2016/173684 (03.11.2016 Gazette 2016/44)

(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: 29.04.2015 EP 15165614 (71) Applicant: BillerudKorsnäs AB 169 27 Solna (SE)	(72) Inventors: ANDERSSON ÅVITSLAND, Grete 605 80 Svärtinge (SE) RENNEL WENNBERG, Camilla 602 16 Norrköping (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)