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(11)

EP 1 863 973 A1

(12)

(43) Date of publication: 12.12.2007 Bulletin 2007/50 (21) Application number: 06708763.5 (22) Date of filing: 14.03.2006

(51) International Patent Classification (IPC):  D06P 1/642(2006.01) D06P 3/00(2006.01) D06P 3/26(2006.01) D06P 3/82(2006.01) D06P 3/24(2006.01) D06P 3/79(2006.01) (86) International application number: PCT/EP2006/060718 (87) International publication number: WO 2006/097475 (21.09.2006 Gazette 2006/38)

(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: 18.03.2005 EP 05102203 (71) Applicant: Clariant International Ltd. 4132 Muttenz 1 (CH)	(72) Inventors: MARAZZI, Rino CH-4133 Pratteln (CH) SIEBER, Helmut 79618 Rheinfelden (DE) (74) Representative: Herrmann, Jörg  Clariant International Ltd Rothausstrasse 61 4132 Muttenz 1 4132 Muttenz 1 (CH)