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(11)

EP 3 194 543 A1

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(43) Date of publication: 26.07.2017 Bulletin 2017/30 (21) Application number: 15741574.6 (22) Date of filing: 28.07.2015

(51) International Patent Classification (IPC):  C11D 1/37(2006.01) C11D 3/00(2006.01) C11D 3/50(2006.01) C11D 1/06(2006.01) C11D 1/34(2006.01) C11D 1/22(2006.01) C11D 1/83(2006.01) C11D 3/37(2006.01) C11D 11/00(2006.01) C11D 1/29(2006.01) C11D 1/14(2006.01) (86) International application number: PCT/EP2015/067274 (87) International publication number: WO 2016/041676 (24.03.2016 Gazette 2016/12)

(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 (30) Priority: 18.09.2014 EP 14185265 (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) Inventor: BATCHELOR, Stephen, Norman Wirral Merseyside CH63 3JW (GB) (74) Representative: McHugh, Paul Edward et al Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)