(19)

(11)

EP 1 597 343 A1

(12)

(43) Date of publication: 23.11.2005 Bulletin 2005/47 (21) Application number: 04713130.5 (22) Date of filing: 20.02.2004

(51) International Patent Classification (IPC)7: C11D 3/00, C11D 3/38, C11D 3/37 (86) International application number: PCT/GB2004/000700 (87) International publication number: WO 2004/074418 (02.09.2004 Gazette 2004/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 22.02.2003 GB 0304091 (71) Applicant: Reckitt Benckiser N.V. 2132 NZ Hoofddorp (NL)	(72) Inventors: LAING, Mark I-30034 Mira VE (IT) ROSCIOLI, Laura I-30034 Mira VE (IT) VANIN, Roberto I-30034 Mira VE (IT) (74) Representative: Bowers, Craig Malcolm et al Reckitt Benckiser plc, Group Patents Department, Dansom Lane Hull HU8 7DS Hull HU8 7DS (GB)