(19)

(11)

EP 1 066 363 A1

(12)

(43) Date of publication: 10.01.2001 Bulletin 2001/02 (21) Application number: 99915565.8 (22) Date of filing: 08.03.1999

(51) International Patent Classification (IPC)7: C11D 3/00, C11D 3/20, C11D 1/645, C11D 1/835 (86) International application number: PCT/EP9901/563 (87) International publication number: WO 9950/378 (07.10.1999 Gazette 1999/40)

(84) Designated Contracting States: BE DE ES FR GB IT (30) Priority: 27.03.1998 GB 9806714 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) GB  UNILEVER N.V. 3013 AL Rotterdam (NL) BE DE ES FR IT	(72) Inventor: KORB, ShimeiUnilever Research Port Sunlight WirralMerseyside L63 3JW (GB) (74) Representative: Elliott, Peter William et al Unilever plcPatent Department,Colworth HouseSharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)