| US 7,491,267 B2 | ||
| Composite materials and methods of making and using such composite materials | ||
| Larry J. Francis, Wake, Va. (US); W. W. Phil Robinson, Richmond, Va. (US); Michael A. Riley, Towson, Md. (US); Timothy Langan, Baltimore, Md. (US); and Morteza Aghaebrahim, Richmond, Va. (US) | ||
| Assigned to Ceratech, Inc., Baltimore, Md. (US) | ||
| Filed on Jul. 23, 2002, as Appl. No. 10/201,131. | ||
| Claims priority of provisional application 60/311529, filed on Aug. 10, 2001. | ||
| Prior Publication US 2003/0131759 A1, Jul. 17, 2003 | ||
| Int. Cl. C04B 9/04 (2006.01); C04B 12/02 (2006.01) | ||
| U.S. Cl. 106—690 [106/691; 106/801; 106/DIG. 1; 501/111] | 100 Claims |
| 1. A composite material consisting essentially of a reaction product of:
particulate MgO;
particulate phosphate comprising mono-potassium phosphate, mono-sodium phosphate, di-potassium phosphate, di-hydrogen potassium
phosphate and/or di-ammonium phosphate, wherein the weight ratio of the MgO to the phosphate is from about 1:1 to about 2:1;
reactive residual material comprising fly ash, municipal waste ash, biosolids ash, volcanic ash, wood ash and/or cellulosic
waste ash;
substantially inert filler; and
water.
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