The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 1991
Filed:
Feb. 12, 1990
Applicant:
Inventors:
Assignee:
Compagnie Europeenne du Zirconium Cezus, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25C / ; C25C / ;
U.S. Cl.
CPC ...
204 / ; 204-15 ; 204 / ; 204 67 ; 2042 / ; 204295 ;
Abstract
A diaphragm is disclosed for molten salt bath electrolysis of metal halides, the diaphragm comprising carbon fibers disposed in one plane an in at least one direction, embedded at least partially in a rigid and inert material which can be graphite, carbides, oxides or nitrides. The diaphragm has a porosity between 10% and 60% in the form of apertures of an area between 1 and 50 mm.sup.2.