Alumina-magnesia product for gasifier or for metallurgical furnace

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United States of America Patent

PATENT NO 9593048
APP PUB NO 20150353427A1
SERIAL NO

14653988

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Abstract

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The invention relates to a melted and cast refractory product having a chemical composition such that, in mass percentages on the basis of the oxides: AI2O3: complement up to 100%; MgO: 26% to 50%; ZrO2: 0.5% to 10.0%; B2O3: <1.5%; SiO2: ≦0.5%; Na2O+K2O: ≦0.3%; CaO: ≦1.0%; Fe2O3+TiO2: <0.55%; other oxide species: <1.0%. In said product, the elementary mass ratio R of the zirconium content to the total boron, fluorine and silicon content is between 2 and 80.

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Patent Owner(s)

Patent OwnerAddress
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN92400 COURBEVOIE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Francy, Olivier L'isle sur la Sorgue, FR 4 22
Jorge, Eric Les Valayans, FR 13 61

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