(19)

(11)

EP 2 139 980 A1

(12)

(43) Date of publication: 06.01.2010 Bulletin 2010/01 (21) Application number: 08736623.3 (22) Date of filing: 29.04.2008

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 3/12(2006.01) C11D 3/10(2006.01) (86) International application number: PCT/EP2008/055226 (87) International publication number: WO 2008/135450 (13.11.2008 Gazette 2008/46)

(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 MT NL NO PL PT RO SE SI SK TR (30) Priority: 03.05.2007 IN MU08512007 16.07.2007 IN MU13542007 08.11.2007 EP 07120277 (71) Applicants: Unilever PLC London EC4Y 0DY (GB) CY GB IE MT  Unilever N.V. 3013 AL Rotterdam (NL)	(72) Inventors: DAS, Subir, Kumar Bangalore 560 066 (IN) PRAMANIK, Amitava Bangalore 560 066 (IN) SARKAR, Arpita Bangalore 560 066 (IN) VELAYUDHAN NAIR, Gopa, Kumar 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)