Granted Patent
Utility
US 5,955,394 · App. 08/904,080
Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids
Inventor:
Michael D. Kelly
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Jul 31, 1997
Inventor
Michael D. Kelly
Assignee (at issue)
Mobile Process Technology, Co.
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.