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. 03, 2015
Filed:
Mar. 13, 2013
Applicant:
Steag Energy Services Gmbh, Essen, DE;
Inventors:
Birgit Marrino, Charlotte, NC (US);
Thies Hoffmann, Lake Wylie, SC (US);
Assignee:
Steag Energy Services GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 38/64 (2006.01); B01D 53/96 (2006.01); B01D 53/86 (2006.01);
U.S. Cl.
CPC ...
B01J 38/64 (2013.01); B01D 53/96 (2013.01); B01D 53/8625 (2013.01);
Abstract
Methods of removing iron from a catalytic converter having an accumulation of one or more iron compounds and regenerating a catalytic converter are provided. A catalytic converter having an accumulation of one or more iron compounds embedded or deposited thereon can be treated with a substantially aqueous alkaline solution in which the substantially aqueous alkaline solution includes an antioxidant.