Method of removing contaminants from hard surfaces
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United States of America Patent
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Issued Date -
Jun 2, 2011
app pub date -
Oct 26, 2009
filing date -
Nov 3, 2008
priority date (Note) -
Abandoned
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Abstract
A method for removing contaminants from hard surfaces such as metal or plastic resin material using a propane and carbon dioxide system. The propane and carbon dioxide system removes the contaminants by a varying percentage of propane to carbon dioxide to maximize the cleaning properties while creating a gas combination without a flammability range in air.
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