(19)

(11)

EP 2 451 912 A1

(12)

(43) Date of publication: 16.05.2012 Bulletin 2012/20 (21) Application number: 10733087.0 (22) Date of filing: 08.07.2010

(51) International Patent Classification (IPC):  C11D 1/22(2006.01) C11D 3/10(2006.01) C11D 1/37(2006.01) (86) International application number: PCT/US2010/041283 (87) International publication number: WO 2011/005912 (13.01.2011 Gazette 2011/02)

(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 SE SI SK SM TR (30) Priority: 09.07.2009 US 224155 P (71) Applicant: The Procter & Gamble Company Cincinnati, OH 45202 (US)

(72) Inventors: OH, Hiroshi Cincinnati Ohio 45249 (US) BROOKER, Alan, Thomas Newcastle upon Tyne Gosforth tyne and Wear NE3 5LP (GB) URE, Colin Newcastle upon Tyne tyne and Wear NE28 9RU (GB) KELTIE, Kim Argyll PH50 4RQ (GB) SOMERVILLE ROBERTS, Nigel, Patrick Newcastle upon Tyne Northumberland NE20 9UJ (GB) (74) Representative: Howard, Phillip Jan et al Procter & Gamble Technical Centres Limited Whitley Road Longbenton Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB)