Preparing organoclay-enzyme complexes using a quaternary ionic compound and mineral
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United States of America Patent
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Mar 18, 2003
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app pub date -
Mar 3, 1999
filing date -
Mar 3, 1999
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Abstract
Immobilized enzymes are prepared in a one-step operation by simultaneously adding an aqueous enzyme (for example urease) to a quaternary ionic compound and a mineral (for example bentonite and a quaternary amine) while in a mixer. This one step operation results in an enzyme clad organoclay. A paste may be formed in the mixer which can be extruded to form noodles that are air dried. Immobilized enzymes may alternately be prepared by adding aqueous enzyme to an already formed organoclay.
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