| US 7,537,655 B2 | ||
| Slag concrete manufactured aggregate | ||
| William V. Abbate, Valencia, Pa. (US) | ||
| Assigned to Excell Technologies, LLC, Wilmington, Del. (US) | ||
| Filed on Jul. 17, 2007, as Appl. No. 11/879,324. | ||
| Claims priority of provisional application 60/832322, filed on Jul. 21, 2006. | ||
| Prior Publication US 2008/0017077 A1, Jan. 24, 2008 | ||
| Int. Cl. C04B 7/14 (2006.01) | ||
| U.S. Cl. 106—713 [106/714; 106/789; 106/790] | 9 Claims |
| 1. A slag concrete manufactured aggregate comprising:
5% to 50% cement by weight, 50% to 94% demetallized stainless steel slag by weight, 0% to 90% foaming agent by volume, 2 to
20 ounces per hundredweight of cement of at least one admixture, 0% to 10% of a natural, synthetic or steel fiber by weight,
and 0% to 10% coloring agents by weight.
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