Lactam dehydration method
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United States of America Patent
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Oct 21, 2003
Grant Date -
N/A
app pub date -
May 24, 2001
filing date -
Jul 28, 1998
priority date (Note) -
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Abstract
The present invention relates to a process for separating the water from an aqueous lactam solution. It applies more particularly to a mixture resulting from the reaction between an aminonitrile and water (this reaction also being called cyclizing hydrolysis). The subject of the invention is a process for separating the water from an aqueous lactam solution, which process is economical both from the standpoint of the investment necessary for its implementation and from the standpoint of the operating cost.
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