Granted Patent
Utility
US 5,225,564 · App. 07/694,708
5-heterocyclic 2-(2-imidazolin-2-yl)pyridines, useful as herbicidal agents and methods for the preparation thereof
Inventor:
John Finn
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: May 2, 1991
Inventor
John Finn
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.