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EP 3 423 558 A1

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(43) Date of publication: 09.01.2019 Bulletin 2019/02 (21) Application number: 17707066.1 (22) Date of filing: 01.03.2017

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 17/00(2006.01) C11D 3/10(2006.01) C11D 3/22(2006.01) C11D 3/06(2006.01) C11D 3/33(2006.01) (86) International application number: PCT/EP2017/054726 (87) International publication number: WO 2017/148990 (08.09.2017 Gazette 2017/36)

(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: 02.03.2016 EP 16158182 (71) Applicants: 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  Unilever PLC, a company registered in England and Wales under company no. 41424 Greater London EC4Y 0DY (GB) CY GB IE MT

(72) Inventors: BARBUZZI, Elena, Maria, Gabriella 26841 Casalpusterlengo (LO) (IT) VAN DEURZEN, Maria, Petra, J. 3133 AT Vlaardingen (NL) GEERSE, Kees, Bert 3133 AT Vlaardingen (NL) MOLL, Robert, Jan 3133 AT Vlaardingen (NL) (74) Representative: Boerma, Caroline  Unilever N.V. Unilever Patent Group Olivier van Noortlaan 120 3133 AT Vlaardingen Olivier van Noortlaan 120 3133 AT Vlaardingen (NL)