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(11)

EP 3 390 601 A1

(12)

(43) Date of publication: 24.10.2018 Bulletin 2018/43 (21) Application number: 16802071.7 (22) Date of filing: 29.11.2016

(51) International Patent Classification (IPC):  C11D 1/62(2006.01) C11D 3/22(2006.01) C11D 3/50(2006.01) C11D 17/00(2006.01) C11D 3/00(2006.01) C11D 3/37(2006.01) C11D 11/00(2006.01) (86) International application number: PCT/EP2016/079112 (87) International publication number: WO 2017/102306 (22.06.2017 Gazette 2017/25)

(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: 15.12.2015 EP 15200182 (71) Applicants: Unilever PLC London, Greater London EC4Y 0DY (GB) CY GB IE MT  Unilever NV 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: CLOWES, Elizabeth, Ann Ellesmere Port Cheshire CH66 8PD (GB) HUNTER, Robert, Allan Wirral Merseyside CH63 3AU (GB) JONES, Karl, Gareth, Kean Bebington Wirral Merseyside CH63 3JW (GB) PERRY, Janette Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: Moore, Elizabeth Ellen  Unilever Patent Group Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)