Granted Patent
Utility
US 5,282,956 · App. 07/909,858
Method for the inhibition and removal of ammonium chloride deposition in hydrocarbon processing units
Inventor:
Carl E. Weaver
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Jul 7, 1992
Inventor
Carl E. Weaver
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.