Granted Patent
Utility
US 4,537,620 · App. 06/626,844
Aryloxyphenoxy proponyl isothioureas and use as herbicides
Inventor:
Ferenc M. Pallos
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Jul 2, 1984
Inventor
Ferenc M. Pallos
Assignee (at issue)
Stauffer Chemical 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.