(19)

(11)

EP 0 882 232 A1

(12)

(43) Date of publication: 09.12.1998 Bulletin 1998/50 (21) Application number: 97936116.0 (22) Date of filing: 07.07.1997

(51) International Patent Classification (IPC):  G01N 33/ 543( . ) G01N 33/ 58( . ) G01N 33/ 569( . ) (86) International application number: PCT/US1997/012657 (87) International publication number: WO 1998/008094 (26.02.1998 Gazette 1998/08)

(84) Designated Contracting States: CH DE FR GB IT LI NL (30) Priority: 23.08.1996 US 19960024512P (71) Applicant: Amcell Corporation Sunnyvale, CA 94089 (US)	(72) Inventor: RADBRUCH, Andreas D-50931 Cologne (DE) (74) Representative: Walton, Seán Malcolm, et al  MEWBURN ELLIS, York House, 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)