(19)

(11)

EP 1 169 427 A1

(12)

(43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00922130.0 (22) Date of filing: 13.04.2000

(51) International Patent Classification (IPC)7: C11D 17/00, C11D 3/40, C11D 3/12, C11D 11/00 (86) International application number: PCT/US0009/852 (87) International publication number: WO 0061/718 (19.10.2000 Gazette 2000/42)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.04.1999 GB 9908354 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventor: MORRISON, Christopher Andrew Tyne & Wear NE30 3DS (GB) (74) Representative: Peet, Jillian Wendy  Procter & Gamble Technical Centres Limited, Whitley Road, Longbenton Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB)