Granted Patent
Utility
US 4,455,437 · App. 06/107,983
Aminoalkyl esters of 2-nitro-5-(o-chloro-p-trifluoromethylphenoxy)-benzoic acid
Inventors:
Dieter Durr, Otto Rohr, Beat Bohner
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Dec 28, 1979
Inventors
Dieter Durr
Otto Rohr
Beat Bohner
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.