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(11)

EP 2 773 739 A1

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(43) Date of publication: 10.09.2014 Bulletin 2014/37 (21) Application number: 12769078.2 (22) Date of filing: 26.09.2012

(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/EP2012/068987 (87) International publication number: WO 2013/064315 (10.05.2013 Gazette 2013/19)

(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: 03.11.2011 IN MM30952011 (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: BARNE, Sameer Keshav Whitefield Bangalore 560 066 (IN) CHAKRABORTTY, Amit Whitefield Bangalore 560 066 (IN) SAJI, Maya Treesa Whitefield Bangalore 560 066 (IN) (74) Representative: Rosen Jacobson, Frans Lucas M.  Unilever Patent Group Olivier van Noortlaan 120 3133 AT Vlaardingen 3133 AT Vlaardingen (NL)