Lubricants With Improved Seal Compatibility
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United States of America Patent
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Issued Date -
Oct 2, 2014
app pub date -
Oct 25, 2012
filing date -
Oct 27, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to lubricating compositions and particularly gear oil compositions that include a minimum level of a specific antioxidant component, where the antioxidant component includes (i) a phenolic antioxidant, (ii) an aminic antioxidant, or (iii) a combination thereof, where the antioxidant component is present in the lubricating composition at from 1.0 percent by weight or higher. Such compositions provide surprisingly good seal compatibility.
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