Granted Patent
Utility
US 5,132,016 · App. 07/606,649
Solvent prestripping in a Zr/Hf separation liquid-liquid extraction (LLX) circuit
Inventor:
Donald O. Voit
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Oct 31, 1990
Inventor
Donald O. Voit
Assignee (at issue)
Westinghouse Electric Company LLC
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.