Granted Patent
Utility
US 5,401,367 · App. 08/189,108
Chlor-alkali diaphragm electrolysis process and relevant cell
Inventors:
Carlo Traini, Giovanni Meneghini
Patented Case
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Granted: Mar 28, 1995
Filed: Jan 31, 1994
Inventors
Carlo Traini
Giovanni Meneghini
Assignee (at issue)
De Nora Permelec S.p.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.