IONIC IMPURITIES REJECTION AND CHROMATOGRAPHIC PURIFICATION USING ION EXCHANGE
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Jan 20, 2011
filing date -
Jan 20, 2011
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Abstract
The invention covers the combination of utilizing the selectivity of an adsorbent to remove species from a liquid containing mixtures of ions and then subjecting the loaded resin to a chromatographic displacement utilizing the most selectively adsorbed species to displace the undesired co-adsorbing impurities. The technique can be used even when the most selectively adsorbed species is present as a minor constituent in the feed solution.
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