Patent Assignment
Reel/Frame 033119/0311
Assignment of Assignor's Interest
Recorded: 2014-06-17
Pages: 4
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
Preparation of Maytansinoid Antibody Conjugates by a One-Step Process