Refractory block and glass-melting furnace

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United States of America Patent

PATENT NO 9284208
APP PUB NO 20140196504A1
SERIAL NO

14234282

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Abstract

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The present invention relates to a fused refractory product having the following average chemical composition, as a percentage by weight on the basis of the oxides and for a total of 100%: ZrO2: 60.0%-80.0%; SiO2: 4.0%-10.0%; Al2O3: balance to 100%; Y2O3≦5.0%; Na2O+K2O+B2O3≧0.3% and SiO2/(Na2O+K2O+B2O3)≧5.0; other oxide species: ≦2.0%; the ratio of the ZrO2/Al2O3 weight contents being between 2.0 and 6.0.

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Patent Owner(s)

  • SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cabodi, Isabelle Cavaillon, FR 23 131
Gaubil, Michel Les Angles, FR 23 155

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