Granted Patent
Utility
US 6,402,930 · App. 09/654,553
Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes
Inventors:
Robert J. Allen, James R. Giallombardo, Daniel Czerwiec, Emory S. De Castro, Khaleda Shaikh, Fritz Gestermann, Hans-Dieter Pinter, Gerd Speer
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Sep 1, 2000
Inventors
Robert J. Allen
James R. Giallombardo
Daniel Czerwiec
Emory S. De Castro
Khaleda Shaikh
Fritz Gestermann
Hans-Dieter Pinter
Gerd Speer
Assignees (at issue)
De Nora Elettrodi S.p.A
Bayer Aktiengesellschaft
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.