(19)

(11)

EP 2 791 311 A1

(12)

(43) Date of publication: 22.10.2014 Bulletin 2014/43 (21) Application number: 12798299.9 (22) Date of filing: 10.12.2012

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 17/00(2006.01) C11D 3/50(2006.01) (86) International application number: PCT/EP2012/074894 (87) International publication number: WO 2013/087550 (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: 16.12.2011 EP 11193979 (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: BOARDMAN, Christopher Bebington Wirral Merseyside CH63 3JW (GB) LEE, Kenneth, Stuart Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: Chisem, Janet  Unilever PLC Unilever Patent Group Colworth House, Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)