Granted Patent
Utility
US 5,043,475 · App. 07/542,995
Peroxide process for producing N-phosphonomethylglycine
Inventor:
Donald L. Fields, Jr.
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jun 25, 1990
Inventor
Donald L. Fields, 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.