(19)

(11)

EP 0 898 612 A1

(12)

(43) Date of publication: 03.03.1999 Bulletin 1999/09 (21) Application number: 97922416.0 (22) Date of filing: 16.04.1997

(51) International Patent Classification (IPC):  C11D 7/ 42( . ) C11D 3/ 386( . ) C11D 7/ 20( . ) C11D 3/ 12( . ) C11D 7/ 14( . ) C11D 17/ 06( . ) (86) International application number: PCT/US1997/006832 (87) International publication number: WO 1997/039095 (23.10.1997 Gazette 1997/45)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 17.04.1996 GB 19960007977 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: SORRIE, Graeme, Alexander Morpeth Northumberland NE61 3SH (GB) MAIN, Alison, Lesley Tyne & Wear NE25 8RG (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)