Method for producing ϵ-caprolactam

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United States of America Patent

PATENT NO 11149001
SERIAL NO

16466230

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Abstract

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A method produces ε-caprolactam through adipamide as an intermediate, and characteristically includes a lactamization step of reacting adipamide, formed from a material compound, with hydrogen and ammonia in the presence of a catalyst containing: a metal oxide mainly containing an oxide(s) of one or more metallic elements selected from the group consisting of metallic elements of group 5 and groups 7 to 14 in the 4th to 6th periods of the periodic table; and a metal and/or a metal compound having a hydrogenation ability.

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Patent Owner(s)

Patent OwnerAddress
TORAY INDUSTRIES INCTOKYO 103-8666

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akahira, Masato Nagoya, JP 10 7
Ito, Masateru Kamakura, JP 42 126
Tsukamoto, Daijiro Kamakura, JP 14 12
Yamada, Katsushige Kamakura, JP 129 456
Yamamoto, Daisuke Nagoya, JP 196 1216
Yamauchi, Koji Nagoya, JP 87 2692

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