(19)

(11)

EP 2 004 787 A1

(12)

(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07732416.8 (22) Date of filing: 13.04.2007

(51) International Patent Classification (IPC):  C11D 3/12(2006.01) C11D 7/20(2006.01) (86) International application number: PCT/GB2007/001374 (87) International publication number: WO 2007/119054 (25.10.2007 Gazette 2007/43)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 13.04.2006 GB 0607488 (71) Applicant: Reckitt Benckiser N.V. 2132 WT Hoofddorp (NL)	(72) Inventor: RIGHETTO, Zefferino 30034 Mira VE (IT) (74) Representative: Bowers, Craig Malcolm et al Reckitt Benckiser Corporate Services Limited Legal Department - Patents Group Dansom Lane Hull HU8 7DS Hull HU8 7DS (GB)