(19)

(11)

EP 0 815 191 A1

(12)

(43) Date of publication: 07.01.1998 Bulletin 1998/02 (21) Application number: 96917803.0 (22) Date of filing: 01.03.1996

(51) International Patent Classification (IPC):  C11D 3/ 02( . ) C11D 17/ 00( . ) C11D 3/ 39( . ) C11D 3/ 06( . ) C11D 3/ 386( . ) (86) International application number: PCT/US1996/002769 (87) International publication number: WO 1996/028530 (19.09.1996 Gazette 1996/42)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 11.03.1995 GB 19950004963 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventor: WARWICK, Jane Margaret, 8 Clifton Terrace Newcastle upon Tyne NE12 9NP (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)