Process for the separation, by countercurrentwise liquid-liquid extraction, of a glyoxal diacetal from a crude mixture comprising it
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United States of America Patent
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Issued Date -
Mar 29, 2007
app pub date -
May 18, 2004
filing date -
May 22, 2003
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Abandoned
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Abstract
The invention relates to a method for separating a diacetal of the glyoxal of a raw mixture comprising said diacetal of the glyoxal and a monoacetal of the glyoxal, by means of counter-current liquid-liquid extraction.
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