Granted Patent
Utility
US 5,229,524 · App. 07/960,601
Bis-and tris (trifluoromethyl) arylpyrrole insecticidal and acaricidal agents
Inventors:
Venkataraman Kameswaran, Victor M. Kamhi
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Oct 13, 1992
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.