(19)

(11)

EP 0 968 269 A1

(12)

(43) Date of publication: 05.01.2000 Bulletin 2000/01 (21) Application number: 97945469.1 (22) Date of filing: 02.10.1997

(51) International Patent Classification (IPC)7: C11D 3/386, C11D 1/62 (86) International application number: PCT/US9717/854 (87) International publication number: WO 9817/769 (30.04.1998 Gazette 1998/17)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 18.10.1996 GB 9621799 18.10.1996 GB 9621791 20.03.1997 GB 9705798 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati,Ohio 45202 (US)	(72) Inventors: MOSS, Michael Alan John Northumberland NE43 7DZ (GB) HALL, Robin Gibson Newcastle upon Tyne NE1 4XB (GB) (74) Representative: Peet, Jillian Wendy et al Procter & Gamble Technical Centres Limited,Whitley Road,Longbenton Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB) (56) References cited: :