ORGANIC TUNGSTEN COMPLEXES
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Mar 20, 2008
filing date -
Mar 20, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention relates to lubricant compositions containing phosphorus and sulfur free organotungstates. The organotungstates are defined as either the reaction product of a mono- or diglyceride and a tungsten source, or as the reaction product of a secondary amine, a fatty acid derivative, and a tungsten source. These compositions exhibit improved antiwear, corrosion, and antioxidancy properties, particularly in low phosphorus and low sulfur environments.
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