(19)

(11)

EP 1 303 581 A1

(12)

(43) Date of publication: 23.04.2003 Bulletin 2003/17 (21) Application number: 01946175.5 (22) Date of filing: 06.06.2001

(51) International Patent Classification (IPC)7: C11D 1/02, C11D 1/72, C11D 1/75, C11D 1/88, C11D 1/94, B01D 61/00, B08B 7/04, C23G 1/36 (86) International application number: PCT/US0118/546 (87) International publication number: WO 0109/4510 (13.12.2001 Gazette 2001/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 06.06.2000 US 209765 P (71) Applicant: Church & Dwight Company, Inc. Princeton, NJ 08543-5297 (US)	(72) Inventors: BOLKAN, Steven, A. BelleMead, NJ 08052 (US) VENTURA, Mark Freehold, NJ 07728 (US) STRASSER, Bruce Lawrenceville, NJ 08648 (US) BARROW, Stephen, W. Howell, NJ 07731 (US) ENDRES, Michael Woodbridge, IL 60517 (US) (74) Representative: Pistolesi, Roberto et al Dragotti & Associati SRLGalleria San Babila 4/C 20122 Milano 20122 Milano (IT)