(19)

(11)

EP 1 346 022 A2

(12)

(88) Date of publication A3: 10.10.2002 (43) Date of publication: 24.09.2003 Bulletin 2003/39 (21) Application number: 01272641.0 (22) Date of filing: 13.12.2001

(51) International Patent Classification (IPC)7: C11D 17/00, C11D 10/04, C11D 9/00 (86) International application number: PCT/EP0114/759 (87) International publication number: WO 0205/3689 (11.07.2002 Gazette 2002/28)

(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: 29.12.2000 IN BO117300 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) CY GB IE  UNILEVER N.V. 3013 AL Rotterdam (NL) AT BE CH LI DE DK ES FI FR GR IT LU MC NL PT SE TR	(72) Inventors: NADAKATTI, Suresh M.,c/o Unilever Reseach India 560 066 Bangalore (IN) NAIK, Vijay M.,c/o Unilever Reseach India 560 066 Bangalore (IN) THOMAS, Shiju,c/o Unilever Reseach India 560 066 Bangalore (IN) (74) Representative: Mulder, Cornelis Willem Reinier, Dr. et al Unilever PLC,Patent Department,Colworth House Sharnbrook,Bredford MK44 1LQ Sharnbrook,Bredford MK44 1LQ (GB)