Method of manufacturing artificial marble
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United States of America Patent
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Sep 27, 2011
Grant Date -
Apr 23, 2009
app pub date -
Sep 25, 2008
filing date -
Sep 25, 2007
priority date (Note) -
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Abstract
A method for the preparation of an engineered stone slab having coated lumps of composite stone material, the method comprising: scooping a first inorganic particulate material and a polymer material to produce lumps of composite stone material; mixing a second inorganic particulate material with the lumps to produce coated lumps; and adding one or more colorants to the first inorganic particulate material, to the second inorganic particulate material, or to both the first and second inorganic particulate materials.
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