(19)

(11)

EP 0 839 075 A1

(12)

(43) Date of publication: 06.05.1998 Bulletin 1998/19 (21) Application number: 96924473.0 (22) Date of filing: 12.07.1996

(51) International Patent Classification (IPC):  B08B 9/ 027( . ) B08B 9/ 02( . ) B08B 3/ 04( . ) G01N 35/ 10( . ) (86) International application number: PCT/US1996/011644 (87) International publication number: WO 1997/003766 (06.02.1997 Gazette 1997/07)

(84) Designated Contracting States: BE DE ES FR GB IT (30) Priority: 14.07.1995 US 19950001145P (71) Applicant: PASTEUR SANOFI DIAGNOSTICS 92430 Marnes La Coquette (FR)	(72) Inventors: HORSFALL, Katherine, M. Eden Prairie, MN 55437 (US) KROGH, Ross Minneapolis, MN 55411 (US) LEONARD, Darcy Maple Grove, MN 55311 (US) WIRBISKY, Alan Eden Prairie, MN 55347 (US) (74) Representative: Gowshall, Jonathan Vallance  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 80801 München 80801 München (DE)