Preparation of caprolactam
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Dec 19, 1994
filing date -
Dec 1, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Caprolactam is prepared by cleaving oligomers or polymers containing essentially the repeating unit --[--N(H)-(CH.sub.2).sub.5 --C(O)--]- in the presence of a catalyst at elevated temperatures by a process in which the cleavage is carried out in the liquid phase in the presence of a heterogeneous catalyst and of an organic solvent.
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