Heterogeneous catalysts for the direct carbonylation of nitro aromatic compounds to isocyanates

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United States of America Patent

PATENT NO 11512046
APP PUB NO 20210002210A1
SERIAL NO

16499686

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Abstract

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A process for preparing an aromatic isocyanate by direct carbonylation of a nitro aromatic compound by reacting the nitro aromatic compound with carbon monoxide in the presence of a catalyst, characterized in that the catalyst contains a multi metallic material comprising one or more binary intermetallic phases of the general formula AxBy wherein: A is one or more element selected from Ni, Ru, Rh, Pd, Ir, Pt and Ag, B is one or more element selected from Sn, Sb, Pb, Zn, Ga, In, Ge and As, x is in the range 0.1-10, y in is in the range 0.1-10.

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BASF SEPATENTS TRADEMARKS AND LICENSES CARL-BOSCH-STRASSE GVX-C006 LUDWIGSHAFEN D-67056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bechtel, Juergen Heidelberg, DE 8 13
Drebov, Nedko Stefanov Ludwigshafen, DE 2 0
Fenyn, Michaela Ludwigshafen, DE 6 2
Halabi, Mohamed Ludwigshafen, DE 2 0
Hinrichs, Matthias Ludwigshafen, DE 16 100
Kuschel, Andreas Heidelberg, DE 7 2
Lizandara, Carlos Ludwigshafen, DE 5 8
Maixner, Stefan Ludwigshafen, DE 21 65
Mueller, Imke Britta Ludwigshafen, DE 4 0
Rother, Joerg Heidelberg, DE 3 0
Schunk, Stephan A Heidelberg, DE 36 111
Titlbach, Sven Heidelberg, DE 11 25

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