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(11)

EP 2 315 820 A1

(12)

(43) Date of publication: 04.05.2011 Bulletin 2011/18 (21) Application number: 09781007.1 (22) Date of filing: 24.07.2009

(51) International Patent Classification (IPC):  C11D 11/00(2006.01) C11D 3/37(2006.01) C11D 3/20(2006.01) C11D 17/00(2006.01) (86) International application number: PCT/EP2009/059529 (87) International publication number: WO 2010/023043 (04.03.2010 Gazette 2010/09)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 25.08.2008 IN MU17822008 (71) Applicants: Unilever N.V. 3013 AL Rotterdam (NL) 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 SE SI SK SM TR  Unilever PLC London Greater London EC4Y 0DY (GB) CY GB IE MT

(72) Inventors: BANDYOPADHYAY, Prasun Bangalore 560 066 (IN) BANDYOPADHYAY, Sayan Bangalore 560 066 (IN) PRAMANIK, Amitava 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)