Cyclodextrin refining process
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United States of America Patent
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Feb 28, 1995
Grant Date -
N/A
app pub date -
Jun 17, 1993
filing date -
Jun 17, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cyclodextrin is refined by performing a crystallization step in the presence of a hydrogen bond inhibitor. The hydrogen bond inhibitor includes a base in an amount to adjust the pH of the solution to 8 and above or a non-base such as urea, guanidium hydrochloride and sodium lauryl sulfate in an amount of 0.1% to 2%.
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