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:
Oct. 18, 2016
Filed:
Aug. 22, 2011
Applicants:
Aurel Wolf, Wülfrath, DE;
Leslaw Mleczko, Dormagen, DE;
Oliver Felix-karl Schlüter, Leverkusen, DE;
Inventors:
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 7/00 (2006.01); B01J 27/135 (2006.01); B01J 27/13 (2006.01); B01J 23/00 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/20 (2006.01); B01J 23/62 (2006.01); B01J 23/63 (2006.01); B01J 23/648 (2006.01); B01J 23/652 (2006.01); B01J 37/02 (2006.01); B01J 37/03 (2006.01); C01B 7/04 (2006.01); B01J 35/08 (2006.01);
U.S. Cl.
CPC ...
B01J 27/135 (2013.01); B01J 23/20 (2013.01); B01J 23/626 (2013.01); B01J 23/63 (2013.01); B01J 23/648 (2013.01); B01J 23/6484 (2013.01); B01J 23/6486 (2013.01); B01J 23/652 (2013.01); B01J 37/0201 (2013.01); B01J 37/033 (2013.01); C01B 7/04 (2013.01); B01J 35/08 (2013.01);
Abstract
The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material, and comprises, as an additional secondary constituent, a compound of an element or an element selected from the group of: Nb, V, Ta, Cr, Mo, Au, In, Sc, Y and lanthanoids, especially La and Ce.