Granted Patent
Utility
US 5,998,673 · App. 08/865,244
1, 4-diaryl-2-fluoro-2-butene insecticidal and acaricidal agents
Inventors:
Keith D. Barnes, Yulin Hu
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: May 29, 1997
Inventors
Keith D. Barnes
Yulin Hu
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.