Granted Patent
Utility
US 5,380,698 · App. 08/089,138
3-(substituted ketone and alcohol)-2-(2-imidazolin-2-yl) pyridine and quinoline herbicidal agents
Inventors:
Peter J. Wepplo, Alvin D. Crews, Jr.
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Jul 9, 1993
Inventors
Peter J. Wepplo
Alvin D. Crews, Jr.
Assignee (at issue)
American Cyanamid 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.