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.

Date of Patent:
Nov. 25, 2014

Filed:

Nov. 22, 2013
Applicant:

Korea Institute of Science and Technology, Seoul, KR;

Inventors:

Hyun Joo Lee, Gyeonggi-do, KR;

Seung Rok Lim, Gyeonggi-do, KR;

Kean Im Lee, Seoul, KR;

Chang Soo Kim, Daegu, KR;

Hoon Sik Kim, Seoul, KR;

Ji Sik Choi, Seoul, KR;

Sang Deuk Lee, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01); B01D 53/50 (2006.01); B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1493 (2013.01); B01D 53/1481 (2013.01);
Abstract

Disclosed is an sorbent for removing sulfur dioxide (SO) contained in combustion flue gases or in the atmosphere by using a diamine-based ionic liquid or a diamine compound supported by a polymer resin. To be specific, the present invention relates to a method of using a tertiary diamine compound immobilized on a polymer surface as a SOsorbent and also relates to a novel sorbent for absorbing or adsorbing a sulfur dioxide hydrate (SO.HO) formed by a bond between SOand water.


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