Title:
PROCESS FOR THE PRODUCTION OF AROMATIC AMINES
Document Type and Number:
WIPO Patent Application WO2002000598
Kind Code:
A3
Abstract:
A process for the production of an aromatic amine which comprises the reduction of an aromatic compound containing at least two nitro groups with hydrogen in the presence of a catalyst comprising a metal of Group VIII, wherein the reaction is carried out so as to maintain 30 % or less by weight of reaction intermediates and wherein the solution produced is treated to recover the aromatic amine with a purity of over 99 % and a mixture comprising aromatic amine and a reaction intermediate which is recycled to the reduction step.
Inventors:
FORLIN ANNA (IT)
BECCARI ANTONIO (IT)
BECCARI ANTONIO (IT)
Application Number:
PCT/EP2001/007478
Publication Date:
May 16, 2002
Filing Date:
June 29, 2001
Export Citation:
Assignee:
ENICHEM SPA (IT)
FORLIN ANNA (IT)
BECCARI ANTONIO (IT)
FORLIN ANNA (IT)
BECCARI ANTONIO (IT)
International Classes:
C07B61/00; C08G18/66; C07C209/36; C07C211/50; C08G18/32; C07C211/51; (IPC1-7): C07C209/36
Foreign References:
| US5563296A | 1996-10-08 | |||
| DE19857409A1 | 2000-06-15 | |||
| DE2103265A1 | 1972-08-17 | |||
| GB895197A | 1962-05-02 | |||
| DE19745465A1 | 1999-04-22 |
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