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(11)

EP 1 047 760 A1

(12)

(43) Date of publication: 02.11.2000 Bulletin 2000/44 (21) Application number: 98902503.6 (22) Date of filing: 13.01.1998

(51) International Patent Classification (IPC)7: C11D 3/00, C11D 3/10, C11D 17/06 (86) International application number: PCT/US9800/571 (87) International publication number: WO 9936/494 (22.07.1999 Gazette 1999/29)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati,Ohio 45202 (US)

(72) Inventors: KATSUDA, Rinko Chuo-kuKobe 650 (JP) ALAM, Zayeed Newcastle-Upon-Tyne NE3 2XZ (GB) BOHLEN, David, Scott West Chester, OH 45069 (US) CANCEIL, Sylvestre Newcastle-Upon-Tyne NE12 0YY (GB) HARTSHORN, Richard, Timothy Wylam Northumberland NE41 8EY (GB) HOLLIHAN, Lester, John Alexandria, KY 41001 (US) WHITEHURST, Gary, Roy Newcastle-Upon-Tyne NE2 3LB (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)