Granted Patent
Utility
US 4,475,929 · App. 06/457,916
Selective adsorption process
Inventor:
Andrija Fuderer
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Jan 14, 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.