High-performance lubricant oil
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United States of America Patent
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Nov 16, 1999
Grant Date -
N/A
app pub date -
Jun 2, 1998
filing date -
Jun 2, 1997
priority date (Note) -
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Abstract
An inexpensive high-performance cutting or grinding oil capable of significantly improving the cutting efficiency. Into a liquid component of the cutting or grinding oil are dispersed fine powders of boron nitride of hexagonal system and/or crystal line turbostratic structure, particularly crystalline turbostratic structure, having a mean particle size of primary particles not larger than 1 .mu.m.
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