(19)

(11)

EP 2 780 438 A1

(12)

(43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 12772771.7 (22) Date of filing: 09.10.2012

(51) International Patent Classification (IPC):  C11D 1/62(2006.01) C11D 3/36(2006.01) C11D 3/20(2006.01) C11D 3/48(2006.01) (86) International application number: PCT/EP2012/069945 (87) International publication number: WO 2013/064340 (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 MM30932011 12.01.2012 EP 12150935 (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)