Patent · US Active

Process for hydrogenating 4,4′-methylenedianiline

US9873658B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

BASF SE

Inventors

Andreas Weickgenannt · Ludwigshafen, DE
Bernd Bastian Schaack · Ludwigshafen, DE
Barbara Wucher · Ludwigshafen, DE
Alexander Panchenko · Ludwigshafen, DE
Frank Hettche · Weinheim, DE
Martin Bock · Ludwigshafen, DE
Aik Meam Tan · Speyer, DE
Kirsten Dahmen · Mannheim, DE

Key dates

Filing date	Dec 10, 2014
Grant date	Jan 23, 2018
Priority date	—
Expiry date	Dec 10, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

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.

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