(19)

(11)

EP 0 863 971 A1

(12)

(43) Date of publication: 16.09.1998 Bulletin 1998/38 (21) Application number: 96936048.0 (22) Date of filing: 27.09.1996

(51) International Patent Classification (IPC):  C11D 1/ 835( . ) C11D 3/ 48( . ) C11D 1/ 62( . ) C11D 1/ 72( . ) C11D 3/ 20( . ) C11D 3/ 50( . ) C11D 1/ 66( . ) (86) International application number: PCT/US1996/015588 (87) International publication number: WO 1997/018285 (22.05.1997 Gazette 1997/22)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 14.11.1995 GB 19950023222 (71) Applicant: Reckitt & Colman Inc. Montvale, NJ 07645 (US)	(72) Inventors: LU, Robert, Zhong Hasbrouck Heights, NJ 07604 (US) SMIALOWICZ, Dennis, Thomas Waldwick, NJ 07463 (US) (74) Representative: Dale, Martin Nicholas, et al  Reckitt and Colman plc Group Patent Department Dansom Lane Hull HU8 7DS Hull HU8 7DS (GB)