Metal working lubricant composition
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
Feb 24, 1999
filing date -
Feb 28, 1998
priority date (Note) -
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Abstract
Concentrated lubricant compositions that, upon dilution, produce emulsions that are useful as lubricants in metal working processes are described. The compositions comprise a substantially neutral phosphate ester and one or more non-ionic surfactants. By appropriate choice of surfactants both microemulsions and macroemulsions can be produced. The emulsions are stable for at least one month at room temperature and offer improved lubricity when used in metal working operations.
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