(19)

(11)

EP 0 713 521 A1

(12)

(43) Date of publication: 29.05.1996 Bulletin 1996/22 (21) Application number: 94922765.0 (22) Date of filing: 01.08.1994

(51) International Patent Classification (IPC):  C11D 1/ 75( . ) C11D 1/ 83( . ) C11D 1/ 86( . ) C11D 1/ 06( . ) C11D 1/ 52( . ) C11D 1/ 825( . ) C11D 1/ 835( . ) C11D 3/ 386( . ) C11D 1/ 29( . ) C11D 1/ 72( . ) (86) International application number: PCT/US1994/008609 (87) International publication number: WO 1995/005440 (23.02.1995 Gazette 1995/09)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 13.08.1993 US 19930106022 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)

(72) Inventors: BURCKETT ST. LAURENT, James Cincinnati, OH 45249 (US) CHATTERJEE, Kuntal Cincinnati, OH 45215 (US) CHRISTIE, Julie, Ann Newcastle-upon-Tyne NE2 3DN (GB) BEARD, Kenneth, Andrew Cincinnati, Ohio 45239 (US) SCHEPER, William, Michael Fairfield, OH 45014 (US) JONES, Lynda, Ann Newcastle-upon-Tyne NE3 4HE (US) (74) Representative: Pike, Christopher Gerard, et al  Procter & Gamble Limited, Whitley Road, Longbenton, (P.O. Box Forest Hall No. 2) Newcastle upon Tyne NE12 9TS Newcastle upon Tyne NE12 9TS (GB)