(19)

(11)

EP 1 597 342 A2

(12)

(88) Date of publication A3: 18.11.2004 (43) Date of publication: 23.11.2005 Bulletin 2005/47 (21) Application number: 04706720.2 (22) Date of filing: 30.01.2004

(51) International Patent Classification (IPC)7: C11D 1/34, C11D 1/78, C11D 3/39 (86) International application number: PCT/GB2004/000393 (87) International publication number: WO 2004/067194 (12.08.2004 Gazette 2004/33)

(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: 31.01.2003 GB 0302245 (71) Applicant: Reckitt Benckiser N.V. 2132 NZ Hoofddorp (NL)	(72) Inventors: ARRIGONI, Stefano 30034 Mira VE (IT) ROSIELLO, Francesca 30034 Mira VE (IT) ZAMUNER, Dora 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)