Clay slurry
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United States of America Patent
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Feb 24, 2004
Grant Date -
N/A
app pub date -
Oct 18, 2001
filing date -
Oct 18, 2001
priority date (Note) -
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Abstract
A process for preparing a ball clay slurry with a casting rate of at least about 50, a modulus of rupture of at least 500 pounds per square inch, and from about 0.1 to about 1.0 weight percent of organic polyelectrolyte. In this process, a digested lignite material is mixed with a lignitic coarse clay, a nonlignitic coarse clay, a lignitic fine clay, and a polyelectrolyte dispersing agent.
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