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EP 1 290 131 A2

(12)

(88) Date of publication A3: 07.03.2002 (43) Date of publication: 12.03.2003 Bulletin 2003/11 (21) Application number: 01964957.3 (22) Date of filing: 31.05.2001

(51) International Patent Classification (IPC)7: C11D 3/39, C11D 3/50, C11D 17/04, E03D 9/02 (86) International application number: PCT/EP0106/296 (87) International publication number: WO 0109/4520 (13.12.2001 Gazette 2001/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.06.2000 EP 00304885 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) CY GB IE  UNILEVER N.V. 3013 AL Rotterdam (NL) AT BE CH DE DK ES FI FR GR IT LU MC NL PT SE TR

(72) Inventors: LEACH, Matthew J.,Unilever Research Port Sunlight Wirral, Merseyside CH63 3JW (GB) MARIANINI, Franca,Lever Faberge Italia S.p.A. I-26841 Lodi (IT) VAN DER SCHEUR, Frank ,Lever Faberge Italia S.p.A 26841 Lodi (IT) VIOLANTE, Adriano,Lever Faberge Italia S.p.A. I-26841 Lodi (IT) (74) Representative: Elliott, Peter William et al Unilever PLCPatent Department,Colworth HouseSharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)