(19)

(11)

EP 3 417 042 A1

(12)

(43) Date of publication: 26.12.2018 Bulletin 2018/52 (21) Application number: 16805031.8 (22) Date of filing: 22.11.2016

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 3/50(2006.01) C11D 1/83(2006.01) C11D 3/42(2006.01) C11D 1/37(2006.01) C11D 3/40(2006.01) (86) International application number: PCT/EP2016/078457 (87) International publication number: WO 2017/140390 (24.08.2017 Gazette 2017/34)

(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: MA MD (30) Priority: 17.02.2016 EP 16156029 (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 Wirral Merseyside CH63 3JW (GB) BIRD, Jayne, Michelle Wirral Merseyside CH63 3JW (GB) COHRS, Carsten 65926 Frankfurt am Main (DE) DIEDERICHS, Jan 84508 Gendorf (DE) LEINWEBER, Dirk 65926 Frankfurt am Main (DE) MUTCH, Kevin, James 65926 Frankfurt am Main (DE) ROMANSKI, Steffen 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)