Granted Patent
Utility
US 4,572,829 · App. 06/669,864
Ammonia synthesis gas purification
Inventor:
Andrija Fuderer
Patented Case
View Patent ↗
Granted: Feb 25, 1986
Filed: Nov 9, 1984
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.