Dispersant for aqueous slurry of coal powder
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United States of America Patent
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-
May 18, 1982
Grant Date -
N/A
app pub date -
Jul 3, 1980
filing date -
Jul 26, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dispersant for forming an aqueous slurry of coal powder having a good flowability, which comprises as the active ingredient at least one member selected from sulfonation products of polycyclic aromatic compounds which may have a hydrocarbon group as a substituent, salts thereof and formaldehyde condensates thereof.
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