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(11)

EP 2 707 472 A1

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(43) Date of publication: 19.03.2014 Bulletin 2014/12 (21) Application number: 12719395.1 (22) Date of filing: 09.05.2012

(51) International Patent Classification (IPC):  C11D 1/52(2006.01) C11D 3/28(2006.01) C11D 3/37(2006.01) C11D 1/83(2006.01) C11D 3/32(2006.01) C11D 10/04(2006.01) (86) International application number: PCT/EP2012/058558 (87) International publication number: WO 2012/156250 (22.11.2012 Gazette 2012/47)

(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: 13.05.2011 EP 11165991 (71) Applicants: Unilever PLC London, Greater 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: BENNETT, Julie Wirral, Merseyside CH63 3JW (GB) MCKEE, Anthony Wirral, Merseyside CH63 3JW (GB) PARRY, Alyn, James Wirral, Merseyside CH63 3JW (GB) (74) Representative: Bristow, Stephen Robert  Unilever Patent Group Colworth House Sharnbrook Bedford, MK44 1LQ Bedford, MK44 1LQ (GB)