(19)

(11)

EP 0 633 922 A1

(12)

(43) Date of publication: 18.01.1995 Bulletin 1995/03 (21) Application number: 93909203.0 (22) Date of filing: 29.03.1993

(51) International Patent Classification (IPC):  C11D 3/ 32( . ) C11D 3/ 395( . ) C11D 17/ 06( . ) C11D 3/ 39( . ) C11D 17/ 00( . ) (86) International application number: PCT/US1993/002945 (87) International publication number: WO 1993/020172 (14.10.1993 Gazette 1993/25)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 03.04.1992 GB 19920008062 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: AGAR, Joseph Thomas Henry Bardney, Lincolnshire LN3 5SS (GB) HARTSHORN, Richard Timothy Newcastle upon Tyne NE3 2TN (GB) SORRIE, Graham Alexander Morpeth, Northumberland NE61 5LJ (GB) (74) Representative: Gibson, Tony Nicholas, et al  Procter & Gamble Limited, Whitley Road Longbenton, Newcastle upon Tyne NE12 9TS Longbenton, Newcastle upon Tyne NE12 9TS (GB)