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EP 4 416 254 A1

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(43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 22793897.4 (22) Date of filing: 12.10.2022

(51) International Patent Classification (IPC):  C11D 3/00(2006.01) C11D 3/10(2006.01) C11D 3/37(2006.01) C11D 17/00(2006.01) C11D 3/04(2006.01) C11D 3/20(2006.01) C11D 3/50(2006.01) C11D 17/06(2006.01) (52) Cooperative Patent Classification (CPC): C11D 17/0056; C11D 17/0073; C11D 17/06; C11D 3/0052; C11D 3/042; C11D 3/2075; C11D 3/10; C11D 3/044; C11D 3/37; C11D 3/50; Y02A 50/30 (86) International application number: PCT/SE2022/050922 (87) International publication number: WO 2023/063867 (20.04.2023 Gazette 2023/16)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 12.10.2021 GB 202114569 (71) Applicant: Paui AB 114 36 Stockholm (SE)	(72) Inventors: LINDSTRÖM, Elias 182 39 Danderyd (SE) TAFLIN, Robert 182 68 Djursholm (SE) SANIN, Andrei 186 32 Vallentuna (SE) GÄRDELÖV, Alexander 115 31 Stockholm (SE) TAFLIN, Paulina 115 44 Stockholm (SE) (74) Representative: Potter Clarkson  Chapel Quarter Mount Street Nottingham NG1 6HQ Nottingham NG1 6HQ (GB)