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(11)

EP 2 771 448 A1

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(43) Date of publication: 03.09.2014 Bulletin 2014/36 (21) Application number: 12756522.4 (22) Date of filing: 12.09.2012

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 3/48(2006.01) C11D 3/30(2006.01) (86) International application number: PCT/EP2012/067839 (87) International publication number: WO 2013/056901 (25.04.2013 Gazette 2013/17)

(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 (30) Priority: 18.10.2011 EP 11185605 (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: BENNETT, Stephen John Bebington Wirral Merseyside CH63 3JW (GB) HOSKING, Sarah Louise Bebington Wirral Merseyside CH63 3JW (GB) JAMIESON, Andrew Stephen Bebington Wirral Merseyside CH63 3JW (GB) SHAW, Katharine Jane Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: Rosen Jacobson, Frans Lucas M.  Unilever Patent Group Olivier van Noortlaan 120 3133 AT Vlaardingen 3133 AT Vlaardingen (NL)