(19)

(11)

EP 2 024 472 A2

(12)

(88) Date of publication A3: 22.11.2007 (43) Date of publication: 18.02.2009 Bulletin 2009/08 (21) Application number: 07723716.2 (22) Date of filing: 28.03.2007

(51) International Patent Classification (IPC):  C10M 173/02(2006.01) (86) International application number: PCT/EP2007/002772 (87) International publication number: WO 2007/112917 (11.10.2007 Gazette 2007/41)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 31.03.2006 EP 06006957 (71) Applicant: KAO CHEMICALS GmbH 46446 Emmerich (DE)	(72) Inventors: VIERBAUM, Melanie 46446 Emmerich (DE) DE RIJK, Ben 46446 Emmerich (DE) MEIJER, Hamke 46446 Emmerich (DE) (74) Representative: Hoffmann, Klaus  Hoffmann - Eitle Patent- und Rechtsanwälte Arabellastrasse 4 D-81925 München D-81925 München (DE)