(19)

(11)

EP 3 969 645 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20805931.1 (22) Date of filing: 08.05.2020

(51) International Patent Classification (IPC):  D01F 13/02(2006.01) D01F 2/02(2006.01) C08B 16/00(2006.01) D01D 5/06(2006.01) (52) Cooperative Patent Classification (CPC): D01F 13/02; D01F 2/02; C08B 16/00; C08B 1/003; Y02P 70/62 (86) International application number: PCT/SE2020/050475 (87) International publication number: WO 2020/231315 (19.11.2020 Gazette 2020/47)

(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: 15.05.2019 SE 1950576 (71) Applicant: TreeToTextile AB 101 23 Stockholm (SE)	(72) Inventor: ENGSTRÖM, Jonas 449 36 NÖDINGE (SE) (74) Representative: AWA Sweden AB  Box 5117 200 71 Malmö 200 71 Malmö (SE)