Foundry mixes containing sulfate and/or nitrate salts and their uses
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jun 16, 2011
app pub date -
Sep 1, 2010
filing date -
Dec 16, 2009
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Abstract
Disclosed is a foundry mix containing a sulfate and/or nitrate salt and its use to make foundry shapes by the warm-box, hot-box, no-bake, and cold-box process, the use of these foundry shapes to make metal castings, and the metal castings prepared by the process.
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