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EP 4 824 222 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24837751.7 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  C11D 3/22(2006.01) C11D 3/50(2006.01) C11D 3/37(2006.01) C11D 17/06(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/505; C11D 17/06; C11D 3/3788; C11D 3/227; C11D 3/3726 (86) International application number: PCT/US2024/059707 (87) International publication number: WO 2025/128782 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 13.12.2023 US 202363609418 P (71) Applicant: The Procter & Gamble Company Cincinnati, OH 45202 (US)

(72) Inventors: CAICEDO CASSO, Eduard, Andres Cincinnati, Ohio 45202 (US) COLLU, Mattia 1853 Strombeek-Bever (BE) DYTER, Zoe Newcastle upon Tyne, NE12 9TS (GB) ORLANDINI, Laura 1213 Petit-Lancy, Geneva (CH) SMETS, Johan 1853 Strombeek-Bever (BE) TAHON, Cedric, Marc 1853 Strombeek-Bever (BE) VERSTRAETE, Pierre, Daniel 1853 Strombeek-Bever (BE) FENG, Linsheng Appleton, Wisconsin 54915 (US) MALAGON GOMEZ, Sonia, Marcela Appleton, Wisconsin 54915 (US) BARDSLEY, Travis, Ian Appleton, Wisconsin 54915 (US) VALENTI, Dominick, Joseph Appleton, Wisconsin 54915 (US) (74) Representative: P&G Patent Belgium UK  Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)