Granted Patent
Utility
US 5,091,561 · App. 07/532,413
Process for producing N-phosphonomethylglycine
Inventors:
Dennis P. Riley, Willie J. Rivers, Jr.
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Jun 4, 1990
Inventors
Dennis P. Riley
Willie J. Rivers, 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.