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EP 3 649 221 A1

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(43) Date of publication: 13.05.2020 Bulletin 2020/20 (21) Application number: 18734830.5 (22) Date of filing: 04.07.2018

(51) International Patent Classification (IPC):  C11D 1/37(2006.01) C11D 3/00(2006.01) C11D 3/386(2006.01) C11D 3/50(2006.01) C11D 1/29(2006.01) C11D 1/52(2006.01) C11D 1/83(2006.01) C11D 3/37(2006.01) C11D 3/42(2006.01) C11D 1/06(2006.01) C11D 1/34(2006.01) (86) International application number: PCT/EP2018/068089 (87) International publication number: WO 2019/008035 (10.01.2019 Gazette 2019/02)

(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: 07.07.2017 EP 17180337 (71) Applicants: Unilever PLC London Greater London EC4Y 0DY (GB) CY GB IE MT  Unilever N.V. 3013 AL Rotterdam (NL) AL AT BE BG CH CZ DE DK EE ES FI FR GR HR HU IS IT LI LT LU LV MC MK NL NO PL PT RO RS SE SI SK SM TR

(72) Inventors: BATCHELOR, Stephen, Norman Bebington Wirral Merseyside CH63 3JW (GB) BREFFA, Catherine 65926 Frankfurt am Main (DE) DIEDERICHS, Jan 84508 Burgkirchen (DE) MUTCH, Kevin, James 65926 Frankfurt am Main (DE) ROMANSKI, Steffen 65926 Frankfurt am Main (DE) SCHAEFER, Carsten 65926 Frankfurt am Main (DE) (74) Representative: McHugh, Paul Edward  Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)