Title:
PROCESS FOR THE PREPARATION OF A MIXTURE OF epsilon -CAPROLACTAM AND/OR epsilon -CAPROLACTAM PRECURSORS
Document Type and Number:
WIPO Patent Application WO2002028525
Kind Code:
A9
Abstract:
Process for the preparation of a mixture of epsilon -caprolactam and epsilon -caprolactam precursors by reductively aminating 5-formylvaleric acid and/or 5-formylvalerate ester(s) in water with hydrogen and an excess of ammonia in the presence of a hydrogenation catalyst, wherein the process is conducted in a reactor of which the inside reactor wall material is a material containing at most 8 wt.% nickel.
Inventors:
GUIT RUDOLF PHILIPPUS MARIA (NL)
NOTTEN MATHIEU JOHANNES GUILLA (NL)
PESTMAN ROBERT (NL)
NOTTEN MATHIEU JOHANNES GUILLA (NL)
PESTMAN ROBERT (NL)
Application Number:
PCT/NL2001/000728
Publication Date:
November 28, 2002
Filing Date:
October 03, 2001
Export Citation:
Assignee:
DSM NV (NL)
GUIT RUDOLF PHILIPPUS MARIA (NL)
NOTTEN MATHIEU JOHANNES GUILLA (NL)
PESTMAN ROBERT (NL)
GUIT RUDOLF PHILIPPUS MARIA (NL)
NOTTEN MATHIEU JOHANNES GUILLA (NL)
PESTMAN ROBERT (NL)
International Classes:
B01J19/02; B01J19/24; B01J23/46; C07D201/08; (IPC1-7): B01J19/02; B01J19/24; C07D201/08
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