Granted Patent
Utility
US 5,705,727 · App. 08/489,975
BF.sub.3 recovery process
Inventors:
Richard A. Holub, Scott D. Soltis, Cynthia W. Hermann
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Jun 13, 1995
Inventors
Richard A. Holub
Scott D. Soltis
Cynthia W. Hermann
Assignee (at issue)
Amoco Corporation
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.