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(11)

EP 2 794 832 A1

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(43) Date of publication: 29.10.2014 Bulletin 2014/44 (21) Application number: 12790866.3 (22) Date of filing: 19.11.2012

(51) International Patent Classification (IPC):  C11D 1/22(2006.01) C11D 1/37(2006.01) C11D 3/37(2006.01) C11D 1/29(2006.01) C11D 3/30(2006.01) C11D 10/04(2006.01) (86) International application number: PCT/EP2012/072974 (87) International publication number: WO 2013/092052 (27.06.2013 Gazette 2013/26)

(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: 20.12.2011 EP 11194487 (71) Applicants: Unilever Plc. London, Greater London EC4Y 0DY (GB) CY GB IE MT  Unilever N.V. 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: CHOPRA-GANDHI, Seema Bebington Wirral Merseyside CH63 3JW (GB) GREEN, Andrew, David Bebington Wirral Merseyside CH63 3JW (GB) PARRY, Alyn, James Bebington Wirral Merseyside CH63 3JW (GB) WELLS, John, Francis Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: Newbould, Frazer Anthony  Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford, Bedfordshire MK44 1LQ Colworth House Sharnbrook Bedford, Bedfordshire MK44 1LQ (GB)