Granted Patent
Utility
US 4,406,867 · App. 06/339,166
Process for the purification of non-reacting gases
Inventors:
Arthur E. Marcinkowsky, George E. Keller, II, Robert A. Jones
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Jan 13, 1982
Inventors
Arthur E. Marcinkowsky
George E. Keller, II
Robert A. Jones
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.