Orally Administered Adsorbent Having Excellent Property for Adsorbing Nitrogen-Containing Compounds
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United States of America Patent
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Issued Date -
Dec 7, 2006
app pub date -
Jun 14, 2006
filing date -
Aug 27, 2004
priority date (Note) -
Abandoned
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Abstract
An orally administered adsorbent which, when orally administered to livestocks and men, is capable of effectively adsorbing and removing nitrogen-containing compounds such as creatinine and the like. The orally administered adsorbent comprises clay particles of a layered structure having a cation-exchange capacity of not smaller than 50 milliequivalent/100 g, wherein a suspension formed by dispersing the clay particles in the deionized water at a concentration of 5 (w/v)% has a pH (25.degree. C.) of not larger than 7.0, and has a proton emission capacity EH calculated according to the following formula, EH=(B-A).times.10.sup.4 wherein A is a hydrogen ion concentration (g ions/L) of the above suspension, and B is a hydrogen ion concentration (g ions/L) of a suspension formed by dispersing the clay particles in a 1 wt% saline solution at a concentration of 5 (w/v)%, of not smaller than 0.5.
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