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:
Dec. 08, 2020

Filed:

Sep. 23, 2016
Applicants:

Mitsubishi Heavy Industries Engineering, Ltd., Kanagawa, JP;

The Kansai Electric Power Co., Inc., Osaka, JP;

Inventors:

Hiroshi Tanaka, Tokyo, JP;

Takuya Hirata, Tokyo, JP;

Masami Kondo, Tokyo, JP;

Takashi Kamijo, Tokyo, JP;

Tatsuya Tsujiuchi, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); B01D 53/52 (2006.01); B01D 53/62 (2006.01); B01D 53/78 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1493 (2013.01); B01D 53/1462 (2013.01); B01D 53/526 (2013.01); B01D 53/62 (2013.01); B01D 53/78 (2013.01); B01D 2252/20405 (2013.01); B01D 2252/20421 (2013.01); B01D 2252/20426 (2013.01); B01D 2252/20431 (2013.01); B01D 2252/20447 (2013.01); B01D 2252/20478 (2013.01); B01D 2252/20484 (2013.01); Y02A 50/20 (2018.01); Y02C 20/40 (2020.08); Y02P 20/151 (2015.11);
Abstract

An absorbent liquid which absorbs at least one of COand HS from a gas, including a secondary linear monoamine; a tertiary linear monoamine or a sterically hindered primary monoamine; and a secondary cyclic diamine, wherein a concentration of each of the secondary linear monoamine, the tertiary linear monoamine or the sterically hindered primary monoamine; and the secondary cyclic diamine is less than 30% by weight.


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