Granted Patent
Utility
US 6,353,142 · App. 09/704,876
Process for the adiabatic preparation of 3,4-dichloronitrobenzene
Inventors:
Eberhard Zirngiebl, Bernd-Michael Konig, Hans-Martin Weber, Thomas Linn, Hans-Joachim Raatz
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Nov 2, 2000
Inventors
Eberhard Zirngiebl
Bernd-Michael Konig
Hans-Martin Weber
Thomas Linn
Hans-Joachim Raatz
Assignee (at issue)
Bayer Aktiengesellschaft
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.