Granted Patent
Utility
US 4,987,266 · App. 07/459,016
Process for the manufacture of nitrophenetole
Inventors:
Richard J. Day, Harry Harlow, Dennis C. Owsley
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Dec 29, 1989
Inventors
Richard J. Day
Harry Harlow
Dennis C. Owsley
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.