Machining oil composition
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United States of America Patent
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Mar 2, 1999
Issued Date -
N/A
app pub date -
May 6, 1996
filing date -
Apr 30, 1993
priority date (Note) -
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Abstract
A machining oil composition comprises at least two ingredients, that is a lubricating base oil and a salt selected from sulfonates of alkali metals and the like. The composition may further comprise a metal composition selected from thiophosphates and the like, and/or sulfur-based extreme pressure agents. Since no chlorine-based extreme pressure agent is contained, little problem on the environmental pollution or the damage of incinerators is involved. The composition exhibits good machining or cutting performance.
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