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EP 4 419 639 A1

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(43) Date of publication: 28.08.2024 Bulletin 2024/35 (21) Application number: 22802077.2 (22) Date of filing: 11.10.2022

(51) International Patent Classification (IPC):  C11D 1/94(2006.01) C11D 3/20(2006.01) C11D 1/29(2006.01) C11D 3/48(2006.01) C11D 1/14(2006.01) C11D 1/90(2006.01) (52) Cooperative Patent Classification (CPC): C11D 1/146; C11D 1/94; C11D 1/29; C11D 1/90; C11D 3/48; C11D 3/2013; C11D 3/2044; C11D 3/2086 (86) International application number: PCT/EP2022/078162 (87) International publication number: WO 2023/061964 (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 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: 13.10.2021 EP 21202489 (71) Applicants: Unilever IP Holdings B.V. 3013 AL Rotterdam (NL) AL AT BE BG CH CZ DK EE ES FI FR GR HR HU IS LI LT LU LV MC MK NL NO PL PT RO SE SI SK SM  Unilever Global IP Limited Wirral, Merseyside CH62 4ZD (GB) CY DE GB IE IT MT RS TR

(72) Inventors: APPAVOO, Shanthi 6708 WH Wageningen (NL) BERA, Arijit 6708 WH Wageningen (NL) MENON, Suma 6708 WH Wageningen (NL) (74) Representative: Corsten, Michael Allan  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)