ELECTROPOLISHING PROCESS
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United States of America Patent
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Issued Date -
May 29, 2008
app pub date -
Nov 9, 2007
filing date -
Nov 14, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for the electropolishing of surfaces of metals and metal alloys. Said method is characterized in particular in that it can be applied to a wide range of metals. Thus, it is suitable for the electropolishing of metal surfaces comprising iron, tungsten, magnesium, aluminum or an alloy of these metals. The electrolyte used in the method comprises methanesulfonic acid and at least one alcoholic compound selected from aliphatic diols of general formula C.sub.nH.sub.2n(OH).sub.2 with n=2-6 and alicyclic alcohols of general formula C.sub.mH.sub.2m-1OH with m=5-8.
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