(19)
(11)
EP 0 763 123 A1
(12)
(43)
Date of publication:
19.03.1997
Bulletin 1997/12
(21)
Application number:
95921391.0
(22)
Date of filing:
07.06.1995
(51)
International Patent Classification (IPC):
A61K
38/
45
( . )
A61K
48/
00
( . )
C12N
15/
867
( . )
(86)
International application number:
PCT/US1995/006594
(87)
International publication number:
WO 1995/033842
(
14.12.1995
Gazette 1996/01)
(84)
Designated Contracting States:
CH DE FR GB IT LI NL
(30)
Priority:
07.06.1994
US 19940255771
(71)
Applicant:
Immunomedics, Inc.
Morris Plains, New Jersey 07950 (US)
(72)
Inventors:
LEUNG, Shui-on
Madison, NJ 07940 (US)
CHANG, Chien-Hsing
Downingtown, PA 19335 (US)
(74)
Representative:
Mercer, Christopher Paul
Carpmaels & Ransford 43, Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)
(54)
SAFE RETROVIRAL VECTORS, THEIR PRODUCTION AND USE