Granted Patent
Utility
US 5,622,913 · App. 08/459,938
(2-imidazolin-2-yl) fused heteropyridine compounds intermediates for the preparation of and use of said compounds as herbicidal agents
Inventors:
Barrington Cross, Marinus Los, Robert F. Doehner, Jr., David W. Ladner, Jerry L. Johnson
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Jun 2, 1995
Inventors
Barrington Cross
Marinus Los
Robert F. Doehner, Jr.
David W. Ladner
Jerry L. Johnson
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.