(19)

(11)

EP 0 951 644 A1

(12)

(43) Date of publication: 27.10.1999 Bulletin 1999/43 (21) Application number: 97946515.0 (22) Date of filing: 04.11.1997

(51) International Patent Classification (IPC):  G01N 31/ 22( . ) G01N 33/ 02( . ) (86) International application number: PCT/US1997/020097 (87) International publication number: WO 1998/020337 (14.05.1998 Gazette 1998/19)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IE IT LI LU MC NL SE (30) Priority: 05.11.1996 US 19960744111 08.09.1997 US 19970925849 (71) Applicant: Biodetect Corporation Nashua, NH 03060 (US)	(72) Inventors: WALLACH, Donald, F., H. CH-1208 Geneva (CH) NOVIKOV, Alexander Framingham, MA 01701 (US) (74) Representative: Casey, Lindsay Joseph  F. R. Kelly & Co. 27 Clyde Road Ballsbridge Dublin 4 Dublin 4 (IE)