Granted Patent
Utility
US 4,861,787 · App. 07/263,961
Nematicidal compositions
Inventors:
Ernst Beriger, Wolfgang Eckhardt, Robert Nyfeler
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Oct 25, 1988
Inventors
Ernst Beriger
Wolfgang Eckhardt
Robert Nyfeler
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.