PURGING AGENT AND PURGING METHOD USING THE SAME
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Jul 6, 2011
filing date -
Jul 8, 2010
priority date (Note) -
Abandoned
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Abstract
A purging agent by which excellent cleaning effect is obtained even under severe environment of narrow flow passage and high temperature like a die portion of a melt molding machine is provided. The present invention relates to a purging agent comprising a hydrocarbon resin and at least one of the metal salts of Groups 1 and 2 metals in the short form periodic table, wherein the content of the metal salt based on the hydrocarbon resin is more than 1 wt % in terms of the metal.
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