LUBRICATING OIL COMPOSITIONS FOR CONSTRUSTION MACHINES
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United States of America Patent
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Issued Date -
Sep 29, 2016
app pub date -
Mar 23, 2015
filing date -
Mar 23, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a Zinc-free transmission oil composition for construction machinery comprising: a major amount of an oil of lubricating viscosity, a dithiophosphorylated carboxylic acid compound, a phenate detergent, a friction modifier, and greater than 0.05 wt. % of a sulfur-containing wear inhibitor. Also provided is a method for lubricating the transmission of a construction machine comprising lubricating the transmission with said Zinc-free transmission oil composition.
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