Process for modifying particle size distribution
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United States of America Patent
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Nov 5, 2002
Grant Date -
N/A
app pub date -
Mar 24, 2000
filing date -
Mar 24, 2000
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Abstract
Fine-grained Tertiary kaolin clay pigments providing improved opacity, sheet gloss and print gloss to paper coated with these pigments are produced by removing fine and coarse particles to produce pigments having a narrow particle size distribution.
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