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EP 4 347 765 A1

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(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22729231.5 (22) Date of filing: 17.05.2022

(51) International Patent Classification (IPC):  C11D 1/02(2006.01) C11D 17/04(2006.01) C11D 1/29(2006.01) C11D 3/43(2006.01) C11D 1/37(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/43; C11D 1/37; C11D 1/29; C11D 1/22; C11D 2111/14 (86) International application number: PCT/EP2022/063334 (87) International publication number: WO 2022/248289 (01.12.2022 Gazette 2022/48)

(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: 25.05.2021 IN 202121023323 07.07.2021 EP 21184149 (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: KUNJUPILLAI, Balu 6708 WH Wageningen (NL) SANKAR, Rachana 6708 WH Wageningen (NL) (74) Representative: Newbould, Frazer Anthony  Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)