Granted Patent
Utility
US 4,642,399 · App. 06/676,117
Method for producing fluoronitrobenzene compounds
Inventor:
Carl White
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Nov 29, 1984
Inventor
Carl White
Assignee (at issue)
MALLINCKRODT LLC
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.