Soybean oil based metalworking fluids
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United States of America Patent
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Oct 21, 2008
Grant Date -
Oct 28, 2004
app pub date -
Aug 13, 2002
filing date -
Sep 5, 2001
priority date (Note) -
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Abstract
The inventive composition comprises compatible combinations of vegetable oils and polar non-chlorine phosphorous-based extreme pressure additives, the composition being either (a) a working strength straight oil, (b) a soluble oil concentrate dilutable to a working strength soluble oil, the composition when at working strength effectively lubricating metal parts during high performance metalworking, and providing environmental and safety advantages.
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