Patent Assignment
Reel/Frame 012210/0589
Assignment of Assignor's Interest
Recorded: 2001-09-28
Pages: 2
Assignee
IMMUNOGEN, INC.
128 SYDNEY STREET, CAMBRIDGE, MASSACHUSETTS, 02139
Covered Property
(1)
Methods for Preparation of Cytotoxic Conjugates of Maytansinoids and Cell Binding Agents
Patent:
6,441,163 →
Application:
09/867,598 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.