Patent · US Expired

Process for the production of aromatic amines by heterogeneously catalysed hydrogenation

US7193112B2 · kind B2 · utility

2Cited by

8References

12Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Peter Lehner · Baytown, US
Thomas Turek · Boston, US
Matthias Brandt · Wuppertal, DE
Susanne Buchholz

Key dates

Filing date	Oct 7, 2004
Grant date	Mar 20, 2007
Priority date	—
Expiry date	May 27, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C209/36
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention describes a process for the production of aromatic amines by the catalytic hydrogenation of aromatic nitro compounds, with the process being characterized by at least one catalytic hydrogenation step and the catalyst consists at least of a monolithic support and a catalytically active coating.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.