US 9,809,494 B2
Magnesium phosphate cement
Jerry E. Rademan, Jacksonville, FL (US); Claudio Manissero, Huntersville, NC (US); John K. Gehret, Miami Beach, FL (US); Mark A. Shand, Arden, NC (US); and James Preskenis, Dover, DE (US)
Assigned to Premier Magnesia, LLC, Wayne, PA (US)
Filed by Premier Magnesia, LLC, West Conshohocken, PA (US)
Filed on Jan. 12, 2016, as Appl. No. 14/993,520.
Application 14/993,520 is a continuation in part of application No. 13/904,296, filed on May 29, 2013.
Claims priority of provisional application 61/711,549, filed on Oct. 9, 2012.
Prior Publication US 2016/0122244 A1, May 5, 2016
Int. Cl. C04B 12/02 (2006.01); B05D 1/02 (2006.01); B05D 1/28 (2006.01); B05D 1/30 (2006.01); C04B 28/34 (2006.01); C04B 2/10 (2006.01); C04B 14/30 (2006.01)
CPC C04B 12/025 (2013.01) [B05D 1/02 (2013.01); B05D 1/28 (2013.01); B05D 1/305 (2013.01); C04B 2/102 (2013.01); C04B 14/304 (2013.01); C04B 28/34 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of making a magnesium phosphate cement comprising:
providing magnesium oxide calcined to exhibit a caustic magnesia activity neutralization time of between about 9 seconds to about 30 seconds using a 1.0N acetic acid and a magnesium oxide content of between about 10% to about 100%;
providing a phosphate material;
combining the magnesium oxide and the phosphate material; and
hydrating the combined magnesium oxide and phosphate material.