Organophosphorus additives for improved fuel lubricity
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United States of America Patent
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May 20, 1997
Grant Date -
N/A
app pub date -
Nov 23, 1994
filing date -
Nov 23, 1994
priority date (Note) -
Expired
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Abstract
The lubricity (anti-wear properties) of hydrocarbon fuels, oxygenate fuels or mixtures thereof, particularly diesel or aviation fuels having reduced sulphur and/or aromatic content for compliance with regulatory requirements, is improved by the addition of a phosphorus ester or esters (phosphates and/or phosphites), or a concentrate containing the ester or esters, having a total acid number at least 1.0 mg KOH/g. The additives also improve corrosion inhibition.
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