Granted Patent
Utility
US 5,986,128 · App. 08/742,523
Use of monosodium iminodiacetic acid solutions in the preparation of N-phosphonomethyliminodiacetic acid
Inventor:
Lowell R. Smith
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Nov 1, 1996
Inventor
Lowell R. Smith
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.