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EP 2 841 553 A1

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(43) Date of publication: 04.03.2015 Bulletin 2015/10 (21) Application number: 13715205.4 (22) Date of filing: 09.04.2013

(51) International Patent Classification (IPC):  C11D 11/02(2006.01) C11D 1/22(2006.01) C11D 3/10(2006.01) C11D 3/37(2006.01) C11D 1/04(2006.01) C11D 3/04(2006.01) C11D 17/06(2006.01) (86) International application number: PCT/EP2013/057340 (87) International publication number: WO 2013/160093 (31.10.2013 Gazette 2013/44)

(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 (30) Priority: 27.04.2012 EP 12166002 (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 London, Greater London EC4Y 0DY (GB) CY GB IE MT

(72) Inventors: DEN ADEL, Rudi NL-3133 AT Vlaardingen (NL) PACHA, Fakhruddin, Esmail NL-3133 AT Vlaardingen (NL) (74) Representative: Kan, Jacob Hendrik  Unilever N.V. Unilever Patent Group Olivier van Noortlaan 120 3133 AT Vlaardingen 3133 AT Vlaardingen (NL)