Low viscosity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation
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United States of America Patent
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Dec 12, 2000
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N/A
app pub date -
Nov 5, 1998
filing date -
Nov 5, 1998
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Expired
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Abstract
A low overbased alkyl phenyl sulfonate prepared by the neutralization of sulfonic acid with a sulfurized high TBN calcium alkylphenate in the absence of chloride and in the absence of additional carboxylic acid.
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