Granted Patent
Utility
US 4,836,845 · App. 07/095,791
Herbicidally active isoxazolyl-imadazolidinone derivatives
Inventor:
James A. Schwindeman
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Sep 14, 1987
Inventor
James A. Schwindeman
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.