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EP 3 519 542 A1

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(43) Date of publication: 07.08.2019 Bulletin 2019/32 (21) Application number: 17776999.9 (22) Date of filing: 25.09.2017

(51) International Patent Classification (IPC):  C11D 1/06(2006.01) C11D 11/00(2006.01) C11D 1/62(2006.01) (86) International application number: PCT/EP2017/074236 (87) International publication number: WO 2018/060139 (05.04.2018 Gazette 2018/14)

(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: 27.09.2016 EP 16190945 (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) BIRD, Jayne, Michelle Ellesmere Port Cheshire, CH66 2 HT (GB) GRAINGER, David, Stephen Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: McHugh, Paul Edward  Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)