Electrolytic aluminum polishing processes
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Jan 11, 2002
filing date -
Jan 12, 2001
priority date (Note) -
Expired
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Abstract
This invention, in one aspect, relates to processes for electropolishing aluminum, in particular, aluminum alloy metal surfaces, by immersing the metal surface in a polishing solution and making the aluminum alloy material anodic. The polishing solution can comprise a phosphoric acid solution and a hypophosphite-containing compound. The polishing solution can also comprise a polyol, a polyol ether and an organic acid.
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