Process for preparing organic acids
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United States of America Patent
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May 17, 1983
Grant Date -
N/A
app pub date -
Aug 6, 1981
filing date -
Aug 6, 1981
priority date (Note) -
Expired
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Abstract
A process for preparing a coal derivative comprising a mixture of monocyclic, polycyclic, multifunctional carboxylic acids which comprises contacting an aqueous slurry containing coal with aqueous nitric acid and then drying the resulting product to remove water therefrom.
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