(19)

(11)

EP 0 972 000 A1

(12)

(43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 98909018.8 (22) Date of filing: 06.03.1998

(51) International Patent Classification (IPC)7: C11D 3/12 (86) International application number: PCT/US9804/469 (87) International publication number: WO 9840/455 (17.09.1998 Gazette 1998/37)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 11.03.1997 US 36680 P (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati,Ohio 45202 (US)	(72) Inventors: PANCHERI, Eugene, Joseph Montgomery, OH 45242 (US) ROHRBAUGH, Robert, Henry Indian Springs, OH 45011 (US) (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)