(19)

(11)

EP 1 871 810 A2

(12)

(88) Date of publication A3: 26.07.2007 (43) Date of publication: 02.01.2008 Bulletin 2008/01 (21) Application number: 06749755.2 (22) Date of filing: 10.04.2006

(51) International Patent Classification (IPC):  C07K 16/30(2006.01) A61K 39/44(2006.01) A61K 39/395(2006.01) (86) International application number: PCT/US2006/013473 (87) International publication number: WO 2006/110745 (19.10.2006 Gazette 2006/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 08.04.2005 US 669347 P (71) Applicant: CYTOGEN CORPORATION Princeton New Jersey 08540 (US)	(72) Inventor: TEDESCO, John L. Princeton, NJ 08450 (US) (74) Representative: Tollervey, Rebecca Marie et al Mewburn Ellis LLP York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)