Granted Patent
Utility
US 5,118,444 · App. 07/683,313
Aqueous agricultural compositions exhibiting reduced irritation and corrosion
Inventor:
Giao Nguyen
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Apr 10, 1991
Inventor
Giao Nguyen
Assignee (at issue)
Witco Corporation
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.