Granted Patent
Utility
US 4,599,094 · App. 06/709,171
Enhanced pressure swing adsorption processing
Inventors:
Robert G. Werner, Homer Fay
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Mar 7, 1985
Inventors
Robert G. Werner
Homer Fay
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.