METHODS FOR PURIFYING BIO-ORGANIC COMPOUNDS
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United States of America Patent
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Issued Date -
Feb 16, 2012
app pub date -
Aug 5, 2011
filing date -
Aug 16, 2010
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Abandoned
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Abstract
Methods and systems for purifying bio-organic compounds are described. In certain embodiments, the methods comprise the steps of (a) providing a composition or an emulsion comprising a surfactant, host cells, an aqueous medium and a bio-organic compound produced by the host cells, wherein the solubility of the surfactant in the aqueous medium decreases with increasing temperature and wherein the temperature of the composition or emulsion is at least about 1° C. below a phase inversion temperature of the composition or emulsion; (b) raising the temperature of the composition or emulsion to at least about 1° C. above the phase inversion temperature; and (c) performing a liquid/liquid separation of the composition to provide a crude bio-organic composition or emulsion.
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