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US 11,230,496 B2Granted
Construction material prepared from a new pozzolanic material
AssigneeVicat
InventorsLaury Barnes-Davin, Olivier Martinage, Eric Mathieu
Life of this patent
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Abstract
A new construction material prepared from a new pozzolanic material.
Claims14
A construction material in the form of a powder containing at least 1.5% of CaO and in which 1% to 80% of the particles having a diameter smaller than or equal to 150 μm contain:
- at least 25% of Al2O3;
- less than 60% of CaO;
- and
- at least 5% of SiO2, the SiO2/Al2O3 weight ratio being less than 1.2.
1 more element
A construction material in the form of a powder containing at least 1.5% of CaO and in which 1% to 80% of the particles having a diameter smaller than or equal to 150 μm contain:
- at least 25% of Al2O3;
- less than 60% of CaO;
- and
- at least 5% of SiO2, the SiO2/Al2O3 weight ratio being less than 1.2;
- wherein the construction material in the form of a powder comprises Portland cement and calcined bauxite.
2 more elements
Dependencies are inferred from the claim text.