(19)

(11)

EP 0 915 957 A1

(12)

(43) Date of publication: 19.05.1999 Bulletin 1999/20 (21) Application number: 97934283.0 (22) Date of filing: 23.07.1997

(51) International Patent Classification (IPC):  C11D 3/ 00( . ) C11D 3/ 20( . ) C11D 11/ 04( . ) C11D 17/ 06( . ) C11D 3/ 02( . ) C11D 11/ 00( . ) C11D 17/ 00( . ) (86) International application number: PCT/US1997/012964 (87) International publication number: WO 1998/004671 (05.02.1998 Gazette 1998/05)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 31.07.1996 GB 19960016114 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventor: HALL, Robin Gibson Newcastle upon Tyne NE1 4XB (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)