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:
Feb. 23, 2010
Filed:
Mar. 08, 2005
Applicants:
Frank Hoefer, Ludwigshafen, DE;
Norbert Asprion, Mannheim, DE;
Iven Clausen, Mannheim, DE;
Hans Hasse, Kaiserslautern, DE;
Inventors:
Frank Hoefer, Ludwigshafen, DE;
Norbert Asprion, Mannheim, DE;
Iven Clausen, Mannheim, DE;
Hans Hasse, Kaiserslautern, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An absorption medium for deacidifying fluid streams which has improved oxidation stability includes at least one aliphatic amine, and at least one non-hydroquinoid antioxidant. The absorption medium may be employed in deacidifying a fluid stream, in particular an oxygen-containing fluid stream, when the fluid stream is brought into intimate contact with the absorption medium in at least one absorption step.