(19)

(11)

EP 0 813 588 A1

(12)

(43) Date of publication: 29.12.1997 Bulletin 1997/52 (21) Application number: 96905471.0 (22) Date of filing: 14.02.1996

(51) International Patent Classification (IPC):  C11D 3/ 395( . ) (86) International application number: PCT/US1996/001908 (87) International publication number: WO 1996/027651 (12.09.1996 Gazette 1996/41)

(84) Designated Contracting States: BE ES FR GB GR IE IT LU PT (30) Priority: 03.03.1995 US 19950398477 16.06.1995 US 19950491237 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati, Ohio 45202 (US)	(72) Inventors: NA, Henry, Cheng Cincinnati, OH 45241 (US) RODRIGUEZ, Pedro, Antonio Forest Park, OH 45240 (US) PETRI, Marco I-20100 Milano (IT) (74) Representative: Engisch, Gautier, et al  Procter & Gamble European Technical Center N.V. Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)