Granted Patent
Utility
US 4,332,811 · App. 06/246,352
1,3-Benzodithiol-2-N,N-dialkyliminium salts and pesticidal use
Inventors:
Hansjakob Fah, Saleem Farooq, Alfred Grieder, Karl Scheuzger
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Mar 23, 1981
Inventors
Hansjakob Fah
Saleem Farooq
Alfred Grieder
Karl Scheuzger
Assignee (at issue)
Ciba-Geigy
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.