Granted Patent
Utility
US 4,549,901 · App. 06/580,583
2-[4-(Substituted aryl)phenoxy]-N-substituted-phenylsulfonyl propionamides having herbicidal properties
Inventor:
Donald R. James
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Feb 16, 1984
Inventor
Donald R. James
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.