(19)

(11)

EP 0 440 722 A1

(12)

(43) Date of publication: 14.08.1991 Bulletin 1991/33 (21) Application number: 89912291.0 (22) Date of filing: 13.10.1989

(51) International Patent Classification (IPC):  G01N 33/ 543( . ) G01N 33/ 545( . ) (86) International application number: PCT/US1989/004586 (87) International publication number: WO 1990/004976 (17.05.1990 Gazette 1990/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 26.10.1988 US 19880262615 26.10.1988 US 19880262616 (71) Applicant: IMMUNOMEDICS, INC. Newark, NJ 07103 (US)	(72) Inventors: HANSEN, Hans, J. Westfield, NJ 07090 (US) NEWMAN, Edward, S. West Organe, NJ 07052 (US) (74) Representative: LOUIS, PÖHLAU, LOHRENTZ & SEGETH  Postfach 3055 D-90014 Nürnberg D-90014 Nürnberg (DE)