Process for hydrogenating 4,4′-methylenedianiline

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United States of America Patent

PATENT NO 9873658
SERIAL NO

15103789

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Abstract

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The present invention relates to a process for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA with hydrogen in the presence of a catalyst comprising ruthenium on a zirconium oxide support material, and also to the use of a catalyst comprising ruthenium on a zirconium oxide support material for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA.

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Patent Owner(s)

Patent OwnerAddress
BASF SELUDWIGSHAFEN AM RHEIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bock, Martin Ludwigshafen, DE 36 227
Dahmen, Kirsten Bad Duerkheim, DE 24 152
Hettche, Frank Weinheim, DE 9 15
Panchenko, Alexander Ludwigshafen, DE 60 410
Schaack, Bernd Bastian Bensheim, DE 12 33
Tan, Aik Meam Speyer, DE 2 1
Weickgenannt, Andreas Mannheim, DE 8 4
Wucher, Barbara Laudenbach, DE 6 5

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