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US 8,409,346 B2Granted
Waste storage vessels and compositions therefor
AssigneeGrancrete, Inc.
InventorsJeffrey L. Selph, James W. Paul, Jr.
Life of this patent
Estimating the term…
Abstract
Waste storage vessels formed from a composition including calcium silicate, magnesium or calcium oxides and an acid phosphate are provided. The composition may also include fly ash or kaolin with or without the calcium silicate.
Claims2
The waste storage vessel having an attenuation coefficient as compared to conventional Portland cement concrete based on photo energies of 0.662 MeV (5 μCi Cs-137 source) and 1.173 MeV (1 μCi Co-60 source) comprising 15 to 35 percent by weight calcined magnesium oxide or calcium oxide, 15 to 55 percent by weight acid phosphate and 20 to 40 percent by weight kaolin.
Dependencies are inferred from the claim text.