Granted Patent
Utility
US 4,567,190 · App. 06/622,826
Pesticidal phenylhydrazonopyrrolidines
Inventors:
Jean-Claude Gehret, Walter Traber
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Jun 21, 1984
Inventors
Jean-Claude Gehret
Walter Traber
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.