Granted Patent
Utility
US 5,625,117 · App. 08/517,004
Fuel gas stripping of rich amine to remove hydrocarbons
Inventors:
Gerald O. Henderson, William M. Rice, Ric T. Zima
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Aug 18, 1995
Inventors
Gerald O. Henderson
William M. Rice
Ric T. Zima
Assignee (at issue)
Ashland, Inc.
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.