Cementitious formulations and products
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United States of America Patent
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Apr 3, 2012
Grant Date -
Apr 9, 2009
app pub date -
Oct 2, 2008
filing date -
Oct 2, 2007
priority date (Note) -
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Abstract
Cementitious formulations and their products with enhanced reactivity are provided. Formulations in certain embodiments may include at least one calcium source, a reactant and a filler in a hydrated environment, wherein the reactant, in one form, is crystalline silica that has been modified for reactivity. Enhancement of a reactant may include one or more modifications to its content, grind and/or the cement to silica ratio, as well as addition of one or more additives in the formulation, additives in the form of at least one alumina source, defoamer, catalyst and/or a clay.
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