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EP 4 017 957 A1

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(43) Date of publication: 29.06.2022 Bulletin 2022/26 (21) Application number: 20758223.0 (22) Date of filing: 20.08.2020

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 3/40(2006.01) C11D 3/33(2006.01) C11D 17/04(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/33; C11D 3/40; C11D 3/2075; C11D 3/2086; C11D 17/0091; C11D 7/3245; C11D 7/265 (86) International application number: PCT/EP2020/073326 (87) International publication number: WO 2021/032834 (25.02.2021 Gazette 2021/08)

(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: 21.08.2019 EP 19192827 21.08.2019 EP 19192831 21.08.2019 EP 19192834 21.08.2019 EP 19192836 21.08.2019 EP 19192833 21.08.2019 EP 19192828 (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: ARLABOSSE, Hélène, Julie, Marie 3071 JL Rotterdam (NL) DAVIES, Liam, Edward Wirral Merseyside CH63 3JW (GB) BOUX DE CASSON, Alexandre, François Wirral Merseyside CH63 3JW (GB) MOLL, Robert, Jan 3311 NL Dordrecht (NL) (74) Representative: Brooijmans, Rob Josephina Wilhelmus  Unilever N.V. Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)