Granted Patent
Utility
US 5,283,335 · App. 07/849,997
Herbicidal 2-(2-imidazolin-2-yl)-benzo-(6-membered)-heterocycles
Inventor:
Robert F. Doehner, Jr.
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Mar 10, 1992
Inventor
Robert F. Doehner, 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.