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:
Apr. 10, 2018
Filed:
May. 22, 2013
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Alfred Soppe, Issum, DE;
Juergen Bittner, Leverkusen, DE;
Thorsten Leidig, Duisburg, DE;
Friedhelm Steffens, Leverkusen, DE;
Knud Werner, Krefeld, DE;
Thomas Runowski, Hilden, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 7/07 (2006.01); C01B 7/075 (2006.01);
U.S. Cl.
CPC ...
C01B 7/0743 (2013.01); C01B 7/075 (2013.01);
Abstract
The present invention relates to a process for purifying raw-material gases by fractionation. In particular, the present invention relates to a process for cleansing chlorine gas of bromine.