Compositions Comprising One or More Calcium-Magnesium Compounds in the Form of Compacts
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United States of America Patent
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Apr 28, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 15, 2013
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Abstract
A composition comprising at least one calcium-magnesium compound fitting the formula aCaCO3.bMgCO3.xCaO.yMgO.zCa(OH)2.tMg(OH)2.uI, wherein I represents impurities a, b, z, t and u each being mass fractions ≧0 and ≦50%, x and y each being mass fractions ≧0 and ≦100%, with x+y≧50% by weight, based on the total weight of said at least one calcium-magnesium compound, which is in the form of particles, said composition having an calcium and magnesium accrued content in the form of oxides, greater than or equal to 20% by weight and being in the form of compacts, each compact being formed with said compacted and shaped particles of calcium-magnesium compounds, said compacts having a Shatter Test Index of less than 10% allowing very good resistance to falling and good resistance to ageing, manufacturing method and use thereof.
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