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EP 4 392 524 A1

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(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22768726.6 (22) Date of filing: 23.08.2022

(51) International Patent Classification (IPC):  C11D 3/00(2006.01) C11D 7/26(2006.01) C11D 3/50(2006.01) C11D 3/22(2006.01) C11D 1/62(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/0068; C11D 3/222; C11D 7/268; C11D 3/0015; C11D 1/62; C11D 3/50 (86) International application number: PCT/EP2022/073383 (87) International publication number: WO 2023/025751 (02.03.2023 Gazette 2023/09)

(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: 24.08.2021 US 202117445783 17.05.2022 DE 102022112329 17.05.2022 DE 102022112327 (71) Applicant: Henkel AG & Co. KGaA 40589 Düsseldorf (DE)

(72) Inventors: HEBERLEIN, Walter 40589 Düsseldorf (DE) WEYHE, Marc 47802 Krefeld (DE) SCHEUER, Madeline 47475 Kamp-Lintfort (DE) SMYREK, Hubert 47804 Krefeld (DE) DAHLMEYER JR, Joseph D East Haven, Connecticut 06512 (US) REAGAN, David Anthony Ansonia, Connecticut 06401 (US) PIORKOWSKI, Daniel Thomas Fairfield, Connecticut 06824 (US) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Hamborner Straße 53 40472 Düsseldorf 40472 Düsseldorf (DE)