Process for the preparation of ethylenimine
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United States of America Patent
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Nov 9, 1982
Issued Date -
N/A
app pub date -
Mar 25, 1981
filing date -
Jul 17, 1980
priority date (Note) -
Expired
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Abstract
A dehydration catalyst and process for making an alkylenimine from an alkanolamine wherein the catalyst contains oxides of either tantalum or niobium together with the oxides of iron and chromium and in which the ratios of the metals are: M.sub.10 Fe.sub.0.5-2.9 Cr.sub.0.3-1.7 wherein M is tantalum or niobium.
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