Granted Patent
Utility
US 5,605,877 · App. 08/397,282
Bicyclic imides as herbicides
Inventors:
Matthias Schafer, Karlheinz Drauz, Dieter Feit, Kofi S. Amuti
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Mar 10, 1995
Inventors
Matthias Schafer
Karlheinz Drauz
Dieter Feit
Kofi S. Amuti
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.