(19)

(11)

EP 3 717 693 A1

(12)

(43) Date of publication: 07.10.2020 Bulletin 2020/41 (21) Application number: 18814533.8 (22) Date of filing: 29.11.2018

(51) International Patent Classification (IPC):  D21C 9/04(2006.01) D21C 11/00(2006.01) (86) International application number: PCT/EP2018/082955 (87) International publication number: WO 2019/106069 (06.06.2019 Gazette 2019/23)

(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: 29.11.2017 SE 1751468 (71) Applicant: Axolot Solutions Holding AB 252 21 Helsingborg (SE)	(72) Inventor: RAGNAR, Martin 136 70 Vendelsö (SE) (74) Representative: Ström & Gulliksson AB  P O Box 4188 203 13 Malmö 203 13 Malmö (SE)