Patent · US Active

Catalyst and method for producing aromatic amines in the gas phase

US9266094B2 · kind B2 · utility

0Cited by

11References

7Claims

0Family size

Assignee

Bayer Intellectual Property GmbH · DE

Inventors

Michael Merkel · Hof, DE
Karl-Heinz Wilke · Moers, DE
Peter Lehner · Baytown, US

Key dates

Filing date	Aug 29, 2012
Grant date	Feb 23, 2016
Priority date	—
Expiry date	Aug 29, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/52
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a catalyst comprising a ceramic support with a BET surface area of less than 40 m2/g and (a) 1.0 to 100 g of at least one metal of groups 8 to 12 of the periodic table of the elements, (b) 1.0 g to 100 g of at least one metal of groups 4 to 6 and 12 of the periodic table of the elements and (c) 1.0 g to 100 g of at least one metal of groups 14 and 15 of the periodic table of the elements per liter of bulk volume of the ceramic support, wherein the catalyst is additionally doped with (d) potassium in a content of from 0.0050% by weight to 0.20% by weight, based on the total weight of the catalyst. The present invention also provides the use of such a catalyst in the catalytic gas phase hydrogenation of nitroaromatics.

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