(19)

(11)

EP 2 118 630 A2

(12)

(88) Date of publication A3: 11.12.2008 (43) Date of publication: 18.11.2009 Bulletin 2009/47 (21) Application number: 08709002.3 (22) Date of filing: 14.02.2008

(51) International Patent Classification (IPC):  G01L 5/00(2006.01) G01L 5/18(2006.01) (86) International application number: PCT/EP2008/051810 (87) International publication number: WO 2008/098993 (21.08.2008 Gazette 2008/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 14.02.2007 WO PCT/BE2007/000017 (71) Applicant: Université Catholique de Louvain 1348 Louvain-la-Neuve (BE)	(72) Inventors: PARDOEN, Thomas B-1435 Mont Saint Guibert (BE) RASKIN, Jean-Pierre B-5310 Saint Germain (BE) CARBONNELLE, Pierre B-1200 Woluwe Saint Lambert (BE) GRAVIER, Sébastien F-38220 Vizille (FR) (74) Representative: Bird, William Edward  Bird Goën & Co. Klein Dalenstraat 42A 3020 Winksele 3020 Winksele (BE)