(19)

(11)

EP 2 561 057 A1

(12)

(43) Date of publication: 27.02.2013 Bulletin 2013/09 (21) Application number: 11706613.4 (22) Date of filing: 07.03.2011

(51) International Patent Classification (IPC):  C11D 3/22(2006.01) C11D 1/62(2006.01) C11D 3/00(2006.01) (86) International application number: PCT/EP2011/053364 (87) International publication number: WO 2011/131412 (27.10.2011 Gazette 2011/43)

(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: 22.04.2010 EP 10160725 (71) Applicants: Unilever PLC London EC4Y 0DY (GB) CY GB IE MT  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	(72) Inventors: BIRD, Nigel, Peter Merseyside CH63 3JW (GB) BURGESS, Karl Merseyside CH63 3JW (GB) TAYLOR, Neil, Fletcher Merseyside CH63 3JW (GB) (74) Representative: Chisem, Janet  Unilever Patent Group Colworth House Sharnbrook Bedford MK44 1LQ Sharnbrook Bedford MK44 1LQ (GB)