Granted Patent
Utility
US 4,418,229 · App. 06/254,357
Method for producing fluoronitrobenzene compounds
Inventor:
Carl White
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Apr 15, 1981
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.