(19)

(11)

EP 1 934 577 A1

(12)

(43) Date of publication: 25.06.2008 Bulletin 2008/26 (21) Application number: 06805882.5 (22) Date of filing: 26.09.2006

(51) International Patent Classification (IPC):  G01N 3/08(2006.01) G01N 19/02(2006.01) G01N 3/32(2006.01) (86) International application number: PCT/EP2006/009358 (87) International publication number: WO 2007/039191 (12.04.2007 Gazette 2007/15)

(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: 26.09.2005 EP 05077189 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: BRULS, Wilhelmus Gerardus Marie NL-6243 BE Geulle (NL) LINSEN, Jozef, Maria, Herman NL-6412 DK Heerlen (NL) STEEMAN, Paulus, Antonius, Maria NL-6176 JC Spaubeek (NL) BUIJSCH, OP DEN, Francois, Antoine, Marie NL-6367 HN Voerendaal (NL) (74) Representative: Pressner, Dietmar  DSM Intelelctual Property P.O. Box 9 6160 MA Geleen 6160 MA Geleen (NL)