(19)

(11)

EP 3 394 342 A1

(12)

(43) Date of publication: 31.10.2018 Bulletin 2018/44 (21) Application number: 16825737.6 (22) Date of filing: 21.12.2016

(51) International Patent Classification (IPC):  D21H 25/00(2006.01) D21H 27/30(2006.01) D21H 19/84(2006.01) D21H 17/35(2006.01) D21H 27/10(2006.01) D21H 19/82(2006.01) D21H 17/17(2006.01) D21H 17/67(2006.01) (86) International application number: PCT/EP2016/082115 (87) International publication number: WO 2017/108910 (29.06.2017 Gazette 2017/26)

(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: 21.12.2015 EP 15201668 (71) Applicant: BillerudKorsnäs AB 169 27 Solna (SE)	(72) Inventor: LINDSTRÖM, Ove SE-952 42 Kalix (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)