Patent Assignment
Reel/Frame 012402/0662
Assignment of Assignor's Interest
Recorded: 2001-12-21
Pages: 2
Assignors
ZHAO, ROBERT YONGXIN
Executed: 2001-12-21
MILLER, MICHAEL LOUIS
Executed: 2001-12-21
WIDDISON, WAYNE CHARLES
Executed: 2001-12-21
CHARI, RAVI V.J.
Executed: 2001-12-21
Assignee
IMMUNOGEN, INC.
128 SIDNEY STREET, CAMBRIDGE, MASSACHUSETTS, 02139
Covered Property
(1)
Cytotoxic Agents Bearing a Reactive Polyethylene Glycol Moiety, Cytotoxic Conjugates Comprising Polyethylene Glycol Linking Groups, and Methods of Making and Using the Same
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.