Granted Patent
Utility
US 6,372,021 · App. 09/659,352
Extractive removal of methanol from cumene-to-phenol process vent gas
Inventors:
David Lee Boggs, Paul William Buckley, Andrew H. Farrell, John W. Fulmer, Bradley Norman Geyer, William D. Kight, Tara Healy Wight
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Sep 12, 2000
Inventors
David Lee Boggs
Paul William Buckley
Andrew H. Farrell
John W. Fulmer
Bradley Norman Geyer
William D. Kight
Tara Healy Wight
Assignee (at issue)
General Electric Company
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.