Removing color from polyphenylated alkane
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United States of America Patent
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Dec 27, 1983
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N/A
app pub date -
Jan 17, 1983
filing date -
Jan 17, 1983
priority date (Note) -
Expired
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Abstract
Color may be removed from colored polyphenylated alkane by contacting this material with certain adsorbants. The adsorbants provided comprise certain crystalline zeolites in a silica alumina matrix and bauxite clay having at least one material selected from the group consisting of ferric oxide, titanium oxide, and zirconium oxide, which is activated by sulfuric acid and then calcined to provide the effective adsorbant.
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