Granted Patent
Utility
US 5,461,176 · App. 08/249,773
Processes for preparing bis-naphthalimides containing amino-acid derived linkers
Inventors:
Jung-Hui Sun, Jose R. Matos, Chung-Ho Park, Robert G. Clifton, Jr.
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: May 26, 1994
Inventors
Jung-Hui Sun
Jose R. Matos
Chung-Ho Park
Robert G. Clifton, Jr.
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.