Granted Patent
Utility
US 4,194,892 · App. 05/919,066
Rapid pressure swing adsorption process with high enrichment factor
Inventors:
Russell L. Jones, George E. Keller, II, Rex C. Wells
Patented Case
View Patent ↗
Granted: Mar 25, 1980
Filed: Jun 26, 1978
Inventors
Russell L. Jones
George E. Keller, II
Rex C. Wells
Assignee (at issue)
Union Carbide Corporation
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.