Granted Patent
Utility
US 5,179,228 · App. 07/778,842
Preparation of N-phosphonomethylglycine by oxidation of N-phosphonomethyliminodiacetic acid
Inventors:
Juan L. Martin Ramon, Julio Munoz Madronero
Patented Case
View Patent ↗
Granted: Jan 12, 1993
Filed: Dec 18, 1991
Inventors
Juan L. Martin Ramon
Julio Munoz Madronero
Assignee (at issue)
ERCROS, S.A.
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.