(19)

(11)

EP 0 646 169 A1

(12)

(43) Date of publication: 05.04.1995 Bulletin 1995/14 (21) Application number: 92917282.0 (22) Date of filing: 31.01.1992

(51) International Patent Classification (IPC):  C11D 1/ 37( . ) C11D 17/ 00( . ) C11D 1/ 12( . ) C11D 1/ 16( . ) C11D 10/ 04( . ) C11D 1/ 10( . ) C11D 1/ 14( . ) (86) International application number: PCT/US1992/000802 (87) International publication number: WO 1992/016610 (01.10.1992 Gazette 1992/25)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 21.03.1991 US 19910674282 20.05.1991 US 19910703212 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: ECCARD, Wayne, Ellis Cleves, OH 45002 (US) SCHWARTZ, James, Robert West Chester, OH 45069 (US) BAKKEN, Theresa, Anne Cincinnati, OH 45242 (US) GILBERT, LAWRENCE ALLEN Cincinnati, Ohio 45201 (US) (74) Representative: Brooks, Maxim Courtney, et al  Procter & Gamble Limited Whitley Road Longbenton Newcastle-upon-Tyne NE12 9TS Newcastle-upon-Tyne NE12 9TS (GB)