Method for making extruded granular absorbent and clumping granular absorbent product
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United States of America Patent
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May 25, 2021
Grant Date -
Nov 21, 2019
app pub date -
Jan 30, 2018
filing date -
Jan 25, 2014
priority date (Note) -
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Abstract
A method of making an extruded granular absorbent is provided where the method includes providing an extruder and a starch-containing admixture, and pressurizing the starch containing admixture in the extruder under relatively high extrusion pressures to extrude the pressurized starch-containing admixture from the extruder, and producing a water absorbent and oil absorbent extrudate. The present invention further provides that the extruded granular absorbent may be combined with a non-extruded granular material with relatively high inert or cellulose content where there may be a greater proportion of extruded granular absorbent, and the extruded granular absorbent and non-extruded granular material agglutinate into a clump when wetted with water or urine.
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