Granted Patent
Utility
US 6,794,549 · App. 10/360,192
Continuous adiabatic process for nitrating chlorobenzene
Inventors:
Ralf Demuth, Matthias Gotta, Thomas Linn, Hans-Martin Weber, Eberhard Zirngiebl
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Feb 6, 2003
Inventors
Ralf Demuth
Matthias Gotta
Thomas Linn
Hans-Martin Weber
Eberhard Zirngiebl
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.