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EP 2 791 310 A1

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(43) Date of publication: 22.10.2014 Bulletin 2014/43 (21) Application number: 12780495.3 (22) Date of filing: 31.10.2012

(51) International Patent Classification (IPC):  C11D 1/94(2006.01) C11D 3/22(2006.01) C11D 3/00(2006.01) (86) International application number: PCT/EP2012/071588 (87) International publication number: WO 2013/087286 (20.06.2013 Gazette 2013/25)

(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: 12.12.2011 EP 11192983 (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: CROSSMAN, Martin, Charles Bebington Wirral Merseyside CH63 3JW (GB) DAWSON, Belinda, Fay Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: McHugh, Paul Edward  Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)