Granted Patent
Utility
US 4,209,463 · App. 05/864,196
Promoting the formation of nitrodiarylamines from nitrohaloarenes, activated aryl amines and sodium carbonates
Inventors:
Otto W. Maender, Robert Wright, Jr.
Patented Case
View Patent ↗
Granted: Jun 24, 1980
Filed: Dec 27, 1977
Inventors
Otto W. Maender
Robert Wright, Jr.
Assignee (at issue)
Monsanto 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.