(19)

(11)

EP 0 882 126 A1

(12)

(43) Date of publication: 09.12.1998 Bulletin 1998/50 (21) Application number: 97901008.0 (22) Date of filing: 06.01.1997

(51) International Patent Classification (IPC):  C11D 11/ 00( . ) C11D 17/ 06( . ) C11D 11/ 04( . ) (86) International application number: PCT/EP1997/000118 (87) International publication number: WO 1997/028246 (07.08.1997 Gazette 1997/34)

(84) Designated Contracting States: BE DE ES FR GB IT (30) Priority: 31.01.1996 GB 19960001920 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. 3013 AL Rotterdam (NL)	(72) Inventors: CRISOLOGO, Reiner, Jumao-as Abdul Wahab Al-Ghamdi Ghulayl District Al Mahjar Road Jeddah (SA) GARCIA, Marcelito, Abad Abdul Wahab Al-Ghamdi Ghulayl District Al Mahjar Road Jeddah (SA) JORDAN, David, Alan Jeddah (SA) (74) Representative: Mole, Peter Geoffrey, et al  UNILEVER PLC Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)