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US 4,375,518 AGranted
Resinous petroleum residue refractory binders
AssigneeGeneral Refractories Company
InventorsFrancis W. Henry, Jr., Merrill Wood, Jr.
Life of this patent
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Abstract
A non-aqueous, thermoplastic refractory binder comprising a resinous petroleum residue having a softening point ranging from 100.degree. F. to 150.degree. F. (38.degree.-65.degree. C.), being less than 2% insoluble in benzene, and preferably having a fixed carbon content of between 30 and 40%, and refractories made therewith.
Claims13
A refractory comprising a refractory material and a binder, said binder being a resinous petroleum residue having a softening point ranging from 100.degree. F. to 150.degree. F. (38.degree.-65.degree. C.), and being less than 2% insoluble in benzene.
Dependencies are inferred from the claim text.