Granted Patent
Utility
US 4,756,744 · App. 06/748,066
Herbicidally active 4-aminoalkylamino-3-isoxazolyl-2-imidazolidinone derivatives
Inventor:
James A. Schwindeman
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Jun 24, 1985
Inventor
James A. Schwindeman
Assignee (at issue)
PPG Industries, Inc.
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.