Granted Patent
Utility
US 5,032,597 · App. 07/030,421
Method of using phenylquinolinecarboxylic acids and derivatives for lymthoid leukemia treatment in a mammal
Inventor:
David P. Hesson
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Mar 26, 1987
Inventor
David P. Hesson
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.