Granted Patent
Utility
US 4,313,916 · App. 06/141,141
Process for the purification of non-reacting gases
Inventors:
Robert A. Jones, Arthur E. Marcinkowsky, George E. Keller, II
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Apr 17, 1980
Inventors
Robert A. Jones
Arthur E. Marcinkowsky
George E. Keller, II
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.