Process for preparation of alkyleneamines
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United States of America Patent
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Mar 6, 1990
Grant Date -
N/A
app pub date -
Aug 12, 1987
filing date -
Aug 13, 1986
priority date (Note) -
Expired
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Abstract
Ammonia and/or an alkyleneamine is reacted with an alkanolamine by using a miobium-containing substance as a catalyst to obtain an alkyleneamine having an increased number of alkylene units. The niobium-containing substance has a high activity and a high heat resistance, and is not or only slightly soluble in the water-containing reaction liquid.
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