Graphite cathode for the electrolysis of aluminium
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United States of America Patent
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-
Sep 30, 2003
Grant Date -
N/A
app pub date -
Oct 5, 2001
filing date -
Feb 2, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In this cathode, which is a single block, the electrical resistivity is heterogeneous along its longitudinal axis, this resistivity being higher in the end regions of the cathode (3) than in the central region of the latter.
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