Granted Patent
Utility
US 5,759,406 · App. 08/911,754
Adsorption process for organic base recovery from aqueous brine solutions
Inventors:
Peter D. Phelps, Joseph John Caringi, Larry I. Flowers, Eugene Pauling Boden, David L. Ramsey
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Aug 15, 1997
Inventors
Peter D. Phelps
Joseph John Caringi
Larry I. Flowers
Eugene Pauling Boden
David L. Ramsey
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.