Lubricating oils of improved friction durability
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United States of America Patent
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Nov 24, 1998
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app pub date -
Aug 28, 1997
filing date -
Oct 18, 1995
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Abstract
The frictional durability of lubricating oils, including power transmitting fluids and in particular automatic transmission fluids, are improved by incorporating a combination of low potency friction modifiers, ashless and/or metal-containing antioxidants, and oil-soluble phosphorus-containing compounds.
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