(19)

(11)

EP 0 801 671 A1

(12)

(43) Date of publication: 22.10.1997 Bulletin 1997/43 (21) Application number: 96903373.0 (22) Date of filing: 05.01.1996

(51) International Patent Classification (IPC):  C11D 1/ 12( . ) C11D 1/ 94( . ) (86) International application number: PCT/US1996/000211 (87) International publication number: WO 1996/020993 (11.07.1996 Gazette 1996/31)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 07.01.1995 GB 19950000313 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: GIRET, Michel, Joseph, Marie Camberley, Surrey GU15 3LD (GB) BELLEMAIN, Chantal, Marie-Claude Staines, Middlesex TW18 3NJ (GB) (74) Representative: Brooks, Maxim Courtney, et al  Patent Department, Lovett House, Lovett Road Staines, Middlesex TW18 3AZ Staines, Middlesex TW18 3AZ (GB)