(19)

(11)

EP 0 652 848 A1

(12)

(43) Date of publication: 17.05.1995 Bulletin 1995/20 (21) Application number: 93918259.0 (22) Date of filing: 20.07.1993

(51) International Patent Classification (IPC):  C11D 3/ 37( . ) C11D 17/ 00( . ) C11D 3/ 39( . ) (86) International application number: PCT/US1993/006801 (87) International publication number: WO 1994/003395 (17.02.1994 Gazette 1994/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 01.08.1992 EP 19920202388 22.12.1992 EP 19920204061 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: DOVEY, Anthony Northumberland NE61 2TZ (GB) FRASER, Douglas, Gilbert Edinburgh (GB) SORRIE, Graham, Alexander Morpeth Northumberland NE61 5LG (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)