Manufacture of a Material on the Basis of Calcium- and/or Magnesium-Carbonate Having a Reduced Decrepitation Tendency
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Sep 18, 2009
filing date -
Sep 18, 2008
priority date (Note) -
Abandoned
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Abstract
Process for the manufacture of a material on the basis of calcium- and/or magnesium carbonate having a reduced decrepitation tendency, wherein a material on the basis of calcium- and/or magnesium carbonate is treated with at least one additive selected among alkali metal compounds and/or acids and/or alkaline earth metal compounds in an amount of 0.05 to 5 wt. % based on the amount of the material on the basis of calcium- and/or magnesium carbonate. Also claimed are the material obtainable by the process and showing reduced decripitation tendancy and the use of such material in the manufacture of glass.
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