Process for preparing basic polycondensation products
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Jan 21, 2003
filing date -
Jan 25, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention relates to the preparation of basic polycondensation products obtainable by the reaction of polyfunctional amines with aqueous acids, distilling off the water and subsequent anhydrous polycondensation with cyano compounds.
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