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EP 4 334 025 A1

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(43) Date of publication: 13.03.2024 Bulletin 2024/11 (21) Application number: 22719961.9 (22) Date of filing: 25.04.2022

(51) International Patent Classification (IPC):  B01J 3/00(2006.01) B01J 19/00(2006.01) C10J 3/78(2006.01) B01J 4/00(2006.01) B01J 19/24(2006.01) (52) Cooperative Patent Classification (CPC): B01J 3/008; B01J 4/002; B01J 19/002; B01J 19/2405; B01J 19/2465; C10J 2300/0979; C10J 2300/0926; C10J 2300/1807; C10J 3/78; C10J 2300/0916 (86) International application number: PCT/FI2022/050265 (87) International publication number: WO 2022/234180 (10.11.2022 Gazette 2022/45)

(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: 06.05.2021 FI 20215538 (71) Applicant: Valmet Technologies Oy 02150 Espoo (FI)	(72) Inventor: JORONEN, Tero 33900 TAMPERE (FI) (74) Representative: Berggren Oy  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)