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:
Sep. 16, 2025
Filed:
Nov. 03, 2022
Basf SE, Ludwigshafen am Rhein, DE;
Sven Titlbach, Heidelberg, DE;
Andreas Kuschel, Heidelberg, DE;
Carlos Lizandara, Ludwigshafen am Rhein, DE;
Stephan A. Schunk, Heidelberg, DE;
Joerg Rother, Heidelberg, DE;
Juergen Bechtel, Heidelberg, DE;
Nedko Stefanov Drebov, Ludwigshafen am Rhein, DE;
Stefan Maixner, Ludwigshafen am Rhein, DE;
Matthias Hinrichs, Ludwigshafen am Rhein, DE;
Mohamed Halabi, Ludwigshafen am Rhein, DE;
Imke Britta Mueller, Ludwigshafen am Rhein, DE;
Michaela Fenyn, Ludwigshafen am Rhein, DE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
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 ABwherein: