Granted Patent
Utility
US 4,504,450 · App. 06/451,513
Sulfur oxides and nitrogen oxides gas treating process
Inventor:
James Forbes
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Dec 20, 1983
Inventor
James Forbes
Assignee (at issue)
UOP LLC
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.