The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2026
Filed:
Dec. 11, 2020
Basf SE, Ludwigshafen am Rhein, DE;
Andrei-Nicolae Parvulescu, Ludwigshafen am Rhein, DE;
Alvaro Gordillo Bolonio, Ludwigshafen am Rhein, DE;
Trees Maria De Baerdemaeker, Ludwigshafen am Rhein, DE;
Ulrich Mueller, Ludwigshafen am Rhein, DE;
Dirk De Vos, Leuven, BE;
Ka Yan Cheung, Leuven, BE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
The present invention relates to a catalytic material for the preparation of one or more of 4,4'-methylenedianiline, 2,2′-methylenedianiline, 2,4′-methylenedianiline, and oligomers of two or more thereof, the catalytic material comprising an oxidic support, wherein the oxidic support comprises an element Eselected from the group consisting of Ti, Zr, Al, Si, and mixtures of two or more thereof, and further comprising a supported material supported on the oxidic support, wherein the supported material comprises an element ESM1 selected from the group consisting of Ti, Zr, V, Nb, Ta, Mo, W, Ge, Sn, Sc, Y, La, Ce, Nd, Pr, Hf, Cr, Fe, Co, Ni, Cu, Zn, Pb and mixtures of two or more thereof. Further, the present invention relates in particular to a process for the preparation of a catalytic material and to a process for the preparation of one or more of 4,4′-methylenedianiline, 2,2′-methylenedianiline, 2,4′-methylenedianiline and oligomers of two or more thereof.