Granted Patent
Utility
US 4,846,875 · App. 07/076,110
Herbicidal triazolinones
Inventor:
Jun H. Chang
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Jul 21, 1987
Inventor
Jun H. Chang
Assignee (at issue)
FMC 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.