Patent Assignment
Reel/Frame 053876/0351
Assignment of Assignor's Interest
Recorded: 2020-09-24
Pages: 2
Assignors
KELLOGG, BRENDA A.
Executed: 2010-06-07
SINGH, RAJEEVA
Executed: 2010-06-07
CHARI, RAVI V.J.
Executed: 2010-06-07
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
Methods for Preparing a Purified Maytansinoid Conjugate in a Solution
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.