Granted Patent
Utility
US 4,487,724 · App. 06/553,451
Method for preparation of N-phosphonomethylglycine
Inventor:
Raymond A. Felix
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Nov 21, 1983
Inventor
Raymond A. Felix
Assignee (at issue)
Stauffer Chemical 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.