Granted Patent
Utility
US 4,454,345 · App. 06/079,645
Process for preparing 2,5-dichloro-3-nitrobenzoic acid
Inventor:
Albert M. V. Jacques
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Sep 27, 1979
Inventor
Albert M. V. Jacques
Assignee (at issue)
Union Carbide Corporation
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.