Granted Patent
Utility
US 5,118,816 · App. 07/634,287
2-aryl-5-(trifluoromethyl)-2-pyrroline compounds useful in the manufacture of insecticidal, nematocidal and acaricidal arylpyrroles
Inventors:
Robert F. Doehner, Jr., Jerry M. Barton, David G. Kuhn
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Dec 26, 1990
Inventors
Robert F. Doehner, Jr.
Jerry M. Barton
David G. Kuhn
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.