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. 30, 2025

Filed:

Jan. 26, 2022
Applicant:

Kobe Gakuin Educational Foundation, Kobe, JP;

Inventors:

Fuyuhiko Inagaki, Kobe, JP;

Ryo Murakami, Kobe, JP;

Hikari Kawamitsu, Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1493 (2013.01); B01D 53/1418 (2013.01); B01D 53/1425 (2013.01); B01D 2252/103 (2013.01); B01D 2252/20436 (2013.01); B01D 2252/504 (2013.01); B01D 2257/504 (2013.01);
Abstract

The present invention aims to provide a carbon dioxide absorbent that can efficiently absorb, fix, and simply separate and recover carbon dioxide in the air. The present invention relates to an atmospheric carbon dioxide absorbent consisting of an amine selected from the group consisting of m-xylylene diamine, benzylamine, phenethylamine, p-methoxybenzylamine, and p-trifluoromethylbenzylamine, and water, and having the amine content of 1 to 50 wt % with respect to the total amount. The present invention also relates to a method for generating carbon dioxide which uses the aforementioned carbon dioxide absorbent and is simple and superior in energy efficiency.


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