Abstract
Process for the preparation of a mixture of ε-caprolactam and/or ε-caprolactam precursors from 5-formylvalerate ester and/or 5-formylvaleric acid, ammonia and hydrogen in the presence of a hydrogenation catalyst, wherein the process is conducted in a reactor of which the internal wall material is an inert material.
Original language | English |
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Patent number | EP1195192 |
Filing date | 3/10/00 |
Publication status | Published - 3 Oct 2000 |
Externally published | Yes |