Granted Patent
Utility
US 5,976,359 · App. 09/079,598
Methods for reducing the concentration of amines in process and hydrocarbon fluids
Inventor:
Wiley L. Parker
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 15, 1998
Inventor
Wiley L. Parker
Assignee (at issue)
Betzdearborn, 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.