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:
Nov. 07, 1989
Filed:
Sep. 30, 1988
Applicant:
Inventors:
Klaus-Dieter Hoppe, Wachenheim, DE;
Bernd Leutner, Frankenthal, DE;
Siegfried Schreiner, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423235 ;
Abstract
Wash solutions containing Fe(II) and Fe(III) chelate complexes and used for removing NO.sub.x from waste gases are regenerated by treatment with sodium tetrahydroborate.