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(11)

EP 2 563 891 A1

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(43) Date of publication: 06.03.2013 Bulletin 2013/10 (21) Application number: 11712846.2 (22) Date of filing: 05.04.2011

(51) International Patent Classification (IPC):  C11D 3/02(2006.01) C11D 7/10(2006.01) C11D 3/16(2006.01) D06M 11/62(2006.01) (86) International application number: PCT/EP2011/055261 (87) International publication number: WO 2011/134755 (03.11.2011 Gazette 2011/44)

(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 (30) Priority: 09.07.2010 EP 10168995 30.04.2010 IN MU13722010 (71) Applicants: Unilever NV 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: DAS, Somnath Bangalore 560 066 (IN) DUTTA, Kingshuk Bangalore 560 066 (IN) PRAMANIK, Amitava Bangalore 560 066 (IN) (74) Representative: Kan, Jacob Hendrik  Unilever Patent Group Olivier van Noortlaan 120 3133 AT Vlaardingen 3133 AT Vlaardingen (NL)