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. 17, 2020

Filed:

Mar. 08, 2019
Applicants:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;

Inventors:

Yoshihiko Nakano, Yokohama, JP;

Akiko Suzuki, Ota, JP;

Takashi Kuboki, Ota, JP;

Toshihiro Imada, Kawasaki, JP;

Shinji Murai, Sagamihara, JP;

Reiko Yoshimura, Kawasaki, JP;

Kenji Sano, Nerima, JP;

Mitsuru Udatsu, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01); B01J 20/22 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1456 (2013.01); B01J 20/22 (2013.01); B01D 2252/2041 (2013.01); B01D 2252/2056 (2013.01); B01D 2252/20405 (2013.01); B01D 2252/20447 (2013.01);
Abstract

The embodiments provide an acidic gas absorbent, an acidic gas removal method, and an acidic gas removal apparatus. The absorbent absorbs an acidic gas in a large amount and hardly diffuses in air. The acidic gas absorbent according to the embodiment comprises an amine compound having a sulfonyl group and two or more amino groups.


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