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(11)

EP 1 943 384 A1

(12)

(43) Date of publication: 16.07.2008 Bulletin 2008/29 (21) Application number: 06793903.3 (22) Date of filing: 29.09.2006

(51) International Patent Classification (IPC):  D06P 1/607(2006.01) D06P 3/14(2006.01) (86) International application number: PCT/EP2006/066875 (87) International publication number: WO 2007/042408 (19.04.2007 Gazette 2007/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 07.10.2005 EP 05021865 (71) Applicant: Clariant International Ltd. 4132 Muttenz 1 (CH)	(72) Inventors: JUNGEN, Manfred 52511 Geilenkirchen-gillrath (DE) VIERLING, Jean-Pierre F-68400 Riedisheim (FR) SCHMITT, Udo 79650 Schopfheim (DE) MARAZZI, Rino CH-4133 Pratteln (CH) (74) Representative: Dünnwald, Dieter  Clariant International Ltd Rothausstrasse 61 4132 Muttenz 1 4132 Muttenz 1 (CH)