Metal working oil composition and method of working metal
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United States of America Patent
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Feb 10, 1998
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N/A
app pub date -
Nov 5, 1996
filing date -
Apr 18, 1995
priority date (Note) -
Expired
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Abstract
A metal working oil composition, comprising, as a component (A), 25 wt. % or more of one or more zinc dithiophosphates represented by the following general formula (1): ##STR1## wherein R.sup.1 to R.sup.4 represent a hydrocarbon group and, if necessary, as a component (B), 0.1 to 50 wt. % of a molybdenum compound.
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