(19)

(11)

EP 1 070 114 A1

(12)

(43) Date of publication: 24.01.2001 Bulletin 2001/04 (21) Application number: 99915682.1 (22) Date of filing: 22.03.1999

(51) International Patent Classification (IPC)7: C11D 17/00, C11D 3/395, C11D 1/37 // (C11D1/22, 1:14, 3:08, 3:50) (86) International application number: PCT/EP9901/899 (87) International publication number: WO 9953/012 (21.10.1999 Gazette 1999/42)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 09.04.1998 EP 98302785 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) GB  UNILEVER N.V. 3013 AL Rotterdam (NL) DE ES FR IT	(72) Inventors: BOLZONI, Giuseppe Vincenzo I-26841 Casalpusterlengo (IT) MORRIS, Ronald Meredith H-1134 Budapest XIII (HU) OLIVA, Marco I-26841 Casalpusterlengo (IT) TUMMIOLO, Roberto I-26841 Casalpusterlengo (IT) (74) Representative: Baker, Colin John  Eric Potter ClarksonPark View House58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)