Granted Patent
Utility
US 4,170,628 · App. 05/910,521
Process for removing SO.sub.2 from effluent gases and for removing heat stable salts from systems in which they accumulate using an anion exchange resin
Inventors:
Alexander J. Kosseim, David A. Dunnery, Gilbert R. Atwood
Patented Case
View Patent ↗
Granted: Oct 9, 1979
Filed: May 30, 1978
Inventors
Alexander J. Kosseim
David A. Dunnery
Gilbert R. Atwood
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.