Granted Patent
Utility
US 4,390,549 · App. 06/277,355
N-Tetrachloroethylthio benzoyl anilides useful as acaricides and to control mosquitoes
Inventor:
Hsiao-Ling M. Chin
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Jun 25, 1981
Inventor
Hsiao-Ling M. Chin
Assignee (at issue)
Stauffer Chemical 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.