Granted Patent
Utility
US 4,548,758 · App. 06/645,587
Preparation of phosphonomethylated amino acids
Inventor:
Sreeramulu Nagubandi
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Aug 30, 1984
Inventor
Sreeramulu Nagubandi
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.