Granted Patent
Utility
US 4,605,522 · App. 06/672,323
Method for preparation of N-phosphonomethylglycine or salts
Inventor:
Jeffery D. Robbins
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Nov 19, 1984
Inventor
Jeffery D. Robbins
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.