Granted Patent
Utility
US 5,683,554 · App. 08/509,840
F141b crude stabilization
Inventors:
Wayne E. Brooks, Craig Jolley
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Aug 1, 1995
Inventors
Wayne E. Brooks
Craig Jolley
Assignee (at issue)
Elf Atochem North America, 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.