Granted Patent
Utility
US 5,281,719 · App. 08/052,431
Bis- and tris(trifluoromethyl)arylpyrrole insecticidal and acaricidal agents
Inventors:
Venkataraman Kameswaran, Victor M. Kamhi
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Apr 23, 1993
Inventors
Venkataraman Kameswaran
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.