Granted Patent
Utility
US 6,756,397 · App. 10/116,053
Prodrugs of CC-1065 analogs
Inventors:
Robert Yongxin Zhao, Ravi V. J. Chari
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Apr 5, 2002
Inventors
Robert Yongxin Zhao
Ravi V. J. Chari
Assignee (at issue)
IMMUNOGEN, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.