Granted Patent
Utility
US 5,476,976 · App. 08/277,475
Process for preparing fluoronitrobenzenes
Inventors:
Thomas Schach, Theodor Papenfuhs
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Jul 19, 1994
Inventors
Thomas Schach
Theodor Papenfuhs
Assignee (at issue)
Hoechst GmbH
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.