Granted Patent
Utility
US 5,346,608 · App. 07/992,691
Method for obtaining neodymium or neodymium-iron alloy by electrolysis of melts containing neodymium compounds
Inventors:
Ulrich Stroder, Jean-Jacques Duruz, Jean-Louis Jorda
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Dec 18, 1992
Inventors
Ulrich Stroder
Jean-Jacques Duruz
Jean-Louis Jorda
Assignees (at issue)
Heraeus Elektrochemie GmbH
Moltech Invent S.A.
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.