Granted Patent
Utility
US 4,734,199 · App. 06/932,370
Liquid phase adsorption process
Inventors:
Moez M. Nagji, Olaf Nifontoff
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Nov 19, 1986
Inventors
Moez M. Nagji
Olaf Nifontoff
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.