Granted Patent
Utility
US 4,584,403 · App. 06/584,181
Herbicidally active substituted diphenyl ether oxime derivatives
Inventor:
Dennis K. Krass
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Feb 27, 1984
Inventor
Dennis K. Krass
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.