Manufacture of electrical oil enriched with hydrofined gas oil for improved oxidation and electrical resistance
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United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Jan 18, 2000
filing date -
Jan 18, 2000
priority date (Note) -
Expired
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Abstract
Electrical oils having improved uninhibited oxidation and electrical resistance are derived by blending a substantially nitrogen and sulfur free paraffinic or naphthenic base oil with a hydrofined light gas oil having a sulfur to nitrogen weight ratio of greater than 100:1 wherein the hydrofined light gas oil is added to the base oil in an amount sufficient to provide a blend having greater than about 0.03 wt % sulfur.
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