Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2008-12-18
2011-10-04
Lorengo, Jerry (Department: 1731)
Compositions: ceramic
Ceramic compositions
Refractory
C501S118000
Reexamination Certificate
active
08030235
ABSTRACT:
A magnesia-carbon brick comprised of about 50 to about 95% by weight magnesia and about 1 to about 20% by weight carbon, with or without metallic additions, such that the chemical analysis of the mixture of aggregates used in the brick will comprise, by chemical analysis, about 2 to about 15% SiO2, about 3 to about 50% Al2O3, and about 50 to about 95% MgO.
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Michael David J.
Miglani Shyam
Prior H. David
Edmondson Lynne
Kusner & Jaffe
Lorengo Jerry
North American Refractories Company
LandOfFree
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