Granted Patent
Utility
US 4,372,873 · App. 06/244,446
Vanadium-amine corrosion inhibitor system for sour gas conditioning solutions
Inventor:
Edward C. Y. Nieh
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Mar 16, 1981
Inventor
Edward C. Y. Nieh
Assignee (at issue)
Texaco Inc.
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.