Granted Patent
Utility
US 4,723,966 · App. 06/940,612
Gas separation by pressure swing adsorption
Inventor:
Andrija Fuderer
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Dec 11, 1986
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.