STONE DUSTING
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United States of America Patent
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Issued Date -
May 10, 2012
app pub date -
Jun 1, 2009
filing date -
Dec 8, 2008
priority date (Note) -
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Abstract
The invention relates to a method of dusting coal mine surfaces, the method comprising applying stone dust particles treated with a cationic and/or zwitterionic surfactant to surfaces in the coal mine. The invention also relates to liquid formulations, coal mine dusting agents and apparatus for use in such a method.
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