(19)

(11)

EP 2 748 295 A1

(12)

(43) Date of publication: 02.07.2014 Bulletin 2014/27 (21) Application number: 12734951.2 (22) Date of filing: 12.07.2012

(51) International Patent Classification (IPC):  C11D 1/46(2006.01) C11D 3/50(2006.01) C11D 3/37(2006.01) C11D 17/00(2006.01) (86) International application number: PCT/EP2012/063728 (87) International publication number: WO 2013/026620 (28.02.2013 Gazette 2013/09)

(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: 25.08.2011 WO PCT/CN2011/001419 (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: BARNETT, Stuart, Anthony Bebington Wirral Merseyside CH63 3JW (GB) HUNTER, Robert, Allan Bebington Wirral Merseyside CH63 3JW (GB) JONES, Christopher, Clarkson Bebington Wirral Merseyside CH63 3JW (GB) JONES, Craig, Warren Bebington Wirral Merseyside CH63 3JW (GB) PAN, Xiaoyun Shanghai 200335 (CN) WANG, Jinfang Shanghai 200335 (CN) (74) Representative: Chisem, Janet  Unilever PLC Unilever Patent Group Colworth House, Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)