Granted Patent
Utility
US 4,559,357 · App. 06/501,456
Insecticidal and acaricidal phenylhydrazono- and phenylhydrazino-pyrrolidines
Inventors:
Jean-Claude Gehret, Walter Traber
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Jun 6, 1983
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.