(19)

(11)

EP 0 972 005 A1

(12)

(43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 98903647.0 (22) Date of filing: 23.01.1998

(51) International Patent Classification (IPC)7: C11D 11/00, C11D 17/00 (86) International application number: PCT/US9801/234 (87) International publication number: WO 9832/834 (30.07.1998 Gazette 1998/30)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 25.01.1997 GB 9701573 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati,Ohio 45202 (US)	(72) Inventors: MCGREGORY, Alasdair Duncan Newcastle Upon Tyne NE6 5FA (GB) WARWICK, Jane Margaret Surrey GU16 5JX (GB) MCGOWAN, Steven Baldwin Newcastle upon Tyne NE7 7LS (GB) (74) Representative: Brooks, Maxim Courtney et al Procter & Gamble Technical Centres Limited,Whitley Road,Longbenton Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB)