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(11)

EP 2 791 306 A1

(12)

(43) Date of publication: 22.10.2014 Bulletin 2014/43 (21) Application number: 12788525.9 (22) Date of filing: 20.11.2012

(51) International Patent Classification (IPC):  C11D 1/46(2006.01) C11D 3/18(2006.01) C11D 17/00(2006.01) (86) International application number: PCT/EP2012/073043 (87) International publication number: WO 2013/087368 (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 11193978 (71) Applicants: Unilever PLC, a company registered in England and Wales under company no. 41424 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) EBBRELL, Lesley Bebington Wirral Merseyside CH63 3JW (GB) LEE, Kenneth, Stuart Bebington Wirral Merseyside CH63 3JW (GB) (74) Representative: Bristow, Stephen Robert  Unilever Patent Group Colworth House Sharnbrook Bedford, MK44 1LQ Bedford, MK44 1LQ (GB)