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. 25, 1980
Filed:
Jun. 19, 1979
Applicant:
Inventors:
Kohki Nomoto, Iwaki, JP;
Yoshihiko Kudo, Iwaki, JP;
Assignee:
Kureha Kagaku Kogyo KabushikiKaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01C / ;
U.S. Cl.
CPC ...
423235 ; 423242 ; 423431 ; 4235 / ;
Abstract
A process is described for treating an exhaust gas containing NO.sub.x and SO.sub.x in which NO.sub.x and SO.sub.x are effectively converted into industrially useful products of NH.sub.3, or sulfur by use of an aqueous absorbing solution containing at least iron chelate salt and potassium sulfite.