(19)

(11)

EP 0 988 283 A2

(12)

(88) Date of publication A3: 11.03.1999 (43) Date of publication: 29.03.2000 Bulletin 2000/13 (21) Application number: 98933627.6 (22) Date of filing: 05.06.1998

(51) International Patent Classification (IPC)7: C07C 409/40, C11D 3/39 (86) International application number: PCT/EP9803/666 (87) International publication number: WO 9856/760 (17.12.1998 Gazette 1998/50)

(84) Designated Contracting States: BE DE ES FR GB IT (30) Priority: 10.06.1997 EP 97304042 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) GB  UNILEVER N.V. 3013 AL Rotterdam (NL) BE DE ES FR IT	(72) Inventors: OAKES, JohnUnilever Research Port Sunlight WirralMerseyside L63 3JW (GB) THORNTHWAITE, David, WilliamUnilever Research WirralMerseyside L63 3JW (GB) (74) Representative: Elliott, Peter William et al Unilever plcPatent DivisionColworth HouseSharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)