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US 7,204,880 B1Granted
Rapid setting cement
OwnerTerry A. Turner, Philip A. Roddainventors
Life of this patent
Estimating the term…
Abstract
A cement formula including mono potassium phosphate, mono ammonium phosphate, magnesia, and fly ash exhibits rapid setting and high strength characteristics.
Claims8
A composition for making cement comprising MgO being approximately 15% to 45% of the total weight of the composition, monoammonium phosphate being approximately 2% to 20% of the total weight of the composition, monopotassium phosphate, the monoammonium phosphate plus monopotassium phosphate together being approximately 10% to 45% of the total weight of the composition, and fly ash being approximately 25% to 55% of the total weight of the composition.
Dependencies are inferred from the claim text.