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(11)

EP 3 850 074 A1

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(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19737774.0 (22) Date of filing: 15.07.2019

(51) International Patent Classification (IPC):  C11D 3/50(2006.01) C11D 3/20(2006.01) C11D 3/33(2006.01) C11D 17/00(2006.01) C11D 3/28(2006.01) (86) International application number: PCT/EP2019/069045 (87) International publication number: WO 2020/016195 (23.01.2020 Gazette 2020/04)

(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: 17.07.2018 EP 18183979 (71) Applicants: Unilever Global IP Ltd Wirral, CH62 4ZD (GB) CY DE GB IE IT MT RS TR  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

(72) Inventors: JONES, Craig, Warren Wirral Merseyside CH63 3JW (GB) JIMENEZ SOLOMON, Maria Fernanda Wirral Merseyside CH63 3JW (GB) (74) Representative: Hardy, Susan Margaret  Unilever PLC Unilever Patent Group Bronland 14 6708 WH Wageningen 6708 WH Wageningen (NL)