Chromia-alumina refractory
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United States of America Patent
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Jul 13, 2010
Grant Date -
Jan 28, 2010
app pub date -
Jul 22, 2008
filing date -
Jul 22, 2008
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Abstract
A refractory composition comprising at least 50 weight percent chromic oxide (Cr.sub.2O.sub.3), as measured by chemical analysis. The composition includes fused chromia-containing grain, powdered chromic oxide and sintered chromia-containing grain. The fused chromia-containing grain and the sintered chromia-containing grain comprise at least 50 weight percent chromia oxide, as measured by chemical analysis.
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