(19)

(11)

EP 1 021 506 A1

(12)

(43) Date of publication: 26.07.2000 Bulletin 2000/30 (21) Application number: 98942963.4 (22) Date of filing: 25.09.1998

(51) International Patent Classification (IPC)7: C11D 3/00, C11D 3/39, C11D 3/20, C11D 3/33, C11D 3/36, C11D 3/34 (86) International application number: PCT/IB9801/495 (87) International publication number: WO 9918/180 (15.04.1999 Gazette 1999/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 03.10.1997 EP 97203041 (71) Applicant: THE PROCTER & GAMBLE COMPANY Cincinnati,Ohio 45202 (US)	(72) Inventors: RASO, Floriana I-00166 Rome (IT) SILVAGGI, Lorena I-00050 Passoscuro (IT) (74) Representative: Engisch, Gautier et al BVBA Procter & Gamble Europe SPRL,Temselaan 100 1853 Strombeek-Bever 1853 Strombeek-Bever (BE)