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(11)

EP 4 426 808 A1

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(43) Date of publication: 11.09.2024 Bulletin 2024/37 (21) Application number: 22813478.9 (22) Date of filing: 02.11.2022

(51) International Patent Classification (IPC):  C11D 3/04(2006.01) C11D 7/10(2006.01) C11D 3/22(2006.01) C11D 7/26(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/222; C11D 7/268; C11D 3/046; C11D 7/10 (86) International application number: PCT/EP2022/080499 (87) International publication number: WO 2023/078894 (11.05.2023 Gazette 2023/19)

(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: KH MA MD TN (30) Priority: 03.11.2021 IN 202121050437 03.01.2022 EP 22150064 (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 ME 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: MAHAPATRA, Samiran 6708 WH Wageningen (NL) MOHAPATRA, Namisha 6708 WH Wageningen (NL) SAMPATH KUMAR, Ramya 6708 WH Wageningen (NL) (74) Representative: Corsten, Michael Allan  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)