Granted Patent
Utility
US 4,512,780 · App. 06/549,746
Pressure swing adsorption with intermediate product recovery
Inventor:
Andrija Fuderer
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Nov 8, 1983
Inventor
Andrija Fuderer
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.