PRODUCT OF CHROMIUM OXIDE, ZIRCONIUM OXIDE AND HAFNIUM OXIDE
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Apr 13, 2012
filing date -
Apr 15, 2011
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Abandoned
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Abstract
Sintered refractory product including, in percentages by weight on the basis of the oxides, —more than 10% of chromium oxide Cr2O3, —more than 2% of hafnium oxide HfO2, —more than 1% of zirconium oxide ZrO2, the total content of chromium, hafnium and zirconium oxides Cr2O3+HfO2+ZrO2 being greater than 70%.
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