(19)

(11)

EP 1 458 906 A2

(12)

(88) Date of publication A3: 18.03.2004 (43) Date of publication: 22.09.2004 Bulletin 2004/39 (21) Application number: 02785828.1 (22) Date of filing: 05.12.2002

(51) International Patent Classification (IPC)7: C25C 5/02 (86) International application number: PCT/IB2002/005133 (87) International publication number: WO 2003/048425 (12.06.2003 Gazette 2003/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 07.12.2001 US 15185 (71) Applicant: Clariant International Ltd. 4132 Muttenz (CH)	(72) Inventors: BANDLISH, Baldev, Kumar Charlotte, NC 28269 (US) MARTIN, Vincent, Wise Gastonia, NC 28056 (US) (74) Representative: Dünnwald, Dieter  Clariant International LtdRothausstrasse 61 4132 Muttenz 1 4132 Muttenz 1 (CH)