Granted Patent
Utility
US 4,832,736 · App. 07/130,487
3-Fluoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity
Inventors:
Rolf Schurter, Konrad Oertle
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Dec 9, 1987
Inventors
Rolf Schurter
Konrad Oertle
Assignee (at issue)
Ciba-Geigy
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.