Novel active clay and decolorizing agent for animal and plant fats and oils or for mineral oils
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United States of America Patent
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Issued Date -
Jul 7, 2011
app pub date -
Mar 15, 2011
filing date -
Sep 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
[Problems] To provide a novel active clay having superior decolorizing performance to the conventional active clays and a decolorizing agent comprising the active clay for animal and plant fats and oils or for mineral oils./g with porous sizes of 1.7 to 100 nm as measured by the nitrogen adsorption method, a porous volume ratio (B/A) of the porous volume (A) with porous sizes of 1.7 to 11.5 nm and the porous volume (B) with porous sizes of not smaller than 11.5 nm but not larger than 100 nm in a range of 0.75 to 1.5, and an amount of solid acid of Ho≦−3.0 in a range of 0.15 to 0.40 mmols/g.
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