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US 4,435,514 AGranted
Chromia magnesia refractory
AssigneeNorton Company
InventorStephen D. Hartline
Life of this patent
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Abstract
A chromia-magnesia based refractory product made up of fused chromia-magnesia grains bonded by an in situ formed chromia-magnesia bond. The product is very dense and especially suitable when used to process molten materials which involve coal slag.
Claims9
A refractory product consisting essentially of grains of cofused chromia and magnesia, bonded with an in situ formed microcrystalline bond selected from the group consisting of chromia and chromia-magnesia.
A raw batch refractory mix consisting essentially of grains of cofused chromia and magnesia, a finely particulate source of chromia, and a finely particulate source of magnesia.
Dependencies are inferred from the claim text.