Granted Patent
Utility
US 5,464,525 · App. 08/354,692
High temperature corrosion inhibitor
Inventor:
James G. Edmonson
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Dec 13, 1994
Inventor
James G. Edmonson
Assignee (at issue)
Betz Laboratories, 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.