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:
Aug. 14, 1990
Filed:
Jan. 31, 1989
Applicant:
Inventor:
Olav Erga, Jakobsli, NO;
Assignee:
Sintef, Nth, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423242 ;
Abstract
SO.sub.2 containing gas is purified by means of an aqueous absorption solution, and SO.sub.2 is regenerated from this solution. There is used an absorption solution containing a phosphate buffer, and SO.sub.2 is removed from the absorption solution together with water by evaporation.