(19)

(11)

EP 0 859 826 A1

(12)

(43) Date of publication: 26.08.1998 Bulletin 1998/35 (21) Application number: 96925280.0 (22) Date of filing: 08.07.1996

(51) International Patent Classification (IPC):  C11D 1/ 83( . ) C11D 3/ 395( . ) C11D 3/ 42( . ) C11D 1/ 75( . ) C11D 3/ 12( . ) C11D 3/ 40( . ) C11D 1/ 10( . ) (86) International application number: PCT/US1996/011409 (87) International publication number: WO 1997/006233 (20.02.1997 Gazette 1997/09)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 10.08.1995 GB 19950016372 18.03.1996 US 19960619864 (71) Applicant: Reckitt & Colman Inc. Montvale, NJ 07645 (US)	(72) Inventors: CHANG, David, A. Waldwick, NJ 07463 (US) CAVANAGH, James, W. Oak Ridge, NJ 07438 (US) (74) Representative: Ilott, Elizabeth Anne, et al  Reckitt & Colman plc, Group Patents Department, Dansom Lane Hull HU8 7DS Hull HU8 7DS (GB)