Granted Patent
Utility
US 5,233,052 · App. 07/950,350
Insecticidal and acaricidal diarylpyrrolecarbonitrile and diarylnitropyrrole compounds
Inventors:
David G. Kuhn, Joseph A. Furch, III, Victor M. Kamhi
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Sep 24, 1992
Inventors
David G. Kuhn
Joseph A. Furch, III
Victor M. Kamhi
Assignee (at issue)
American Cyanamid 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.