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EP 4 396 319 A1

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(43) Date of publication: 10.07.2024 Bulletin 2024/28 (21) Application number: 22769681.2 (22) Date of filing: 29.08.2022

(51) International Patent Classification (IPC):  C11D 3/33(2006.01) C11D 17/00(2006.01) C11D 3/39(2006.01) C11D 1/66(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/3905; C11D 1/66; C11D 17/0091; C11D 3/33 (86) International application number: PCT/EP2022/073952 (87) International publication number: WO 2023/031119 (09.03.2023 Gazette 2023/10)

(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: 01.09.2021 EP 21194211 01.09.2021 EP 21194212 01.09.2021 EP 21194213 (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) Inventor: THOMPSON, Katherine Mary 6708 WH Wageningen (NL) (74) Representative: Brooijmans, Rob Josephina Wilhelmus  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)