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. 19, 2025
Filed:
Apr. 14, 2020
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Torsten Mattke, Ludwigshafen am Rhein, DE;
Gerhard Olbert, Ludwigshafen am Rhein, DE;
Jochen Gauer, Ludwigshafen am Rhein, DE;
Kai Thiele, Antwerp, BE;
Koenraad Vandewalle, Antwerp, BE;
Jens Ferbitz, Ludwigshafen am Rhein, DE;
Peter Van Den Abeel, Antwerp, BE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/80 (2017.01); C25B 1/34 (2006.01); C25B 15/08 (2006.01); C25B 1/46 (2006.01);
U.S. Cl.
CPC ...
C01B 32/80 (2017.08); C25B 1/34 (2013.01); C25B 15/08 (2013.01); C25B 1/46 (2013.01);
Abstract
The present invention relates to a process for preparing phosgene by reacting chlorine with carbon monoxide over an activated carbon catalyst, wherein the content of chlorine oxides in the chlorine feed stream is low, to an apparatus for preparation of phosgene and to the use of the phosgene prepared by the process of the invention.