(19)

(11)

EP 1 115 837 A1

(12)

(43) Date of publication: 18.07.2001 Bulletin 2001/29 (21) Application number: 99949919.7 (22) Date of filing: 24.09.1999

(51) International Patent Classification (IPC)7: C11D 17/06, C11D 11/00 (86) International application number: PCT/US9922/395 (87) International publication number: WO 0018/877 (06.04.2000 Gazette 2000/14)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.09.1998 WO PCT/US98/20223 21.06.1999 US 140088 P (71) Applicant: The Procter & Gamble Company Cincinnati,Ohio 45202 (US)	(72) Inventors: CAPECI, Scott, William North Bend, OH 45052 (US) RIDYARD, Mark, William HeatonNewcastle NE6 5TU (GB) MORT, Raul, R., III Cincinnati, OH 45215 (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)