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:
Jun. 09, 2026
Filed:
Jan. 28, 2021
Applicant:
Tosoh Corporation, Shunan, JP;
Inventors:
Ryotaro Fujii, Shunan, JP;
Kotaro Sakoda, Shunan, JP;
Manabu Yanase, Shunan, JP;
Hiroyuki Kiso, Shunan, JP;
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); B01D 53/14 (2006.01); C01B 32/50 (2017.01); C07D 295/088 (2006.01); C07D 487/08 (2006.01);
U.S. Cl.
CPC ...
B01J 20/22 (2013.01); B01D 53/1475 (2013.01); B01D 53/1493 (2013.01); B01D 2252/20447 (2013.01); B01D 2252/20489 (2013.01); B01D 2252/504 (2013.01); B01D 2257/504 (2013.01);
Abstract
To provide a carbon dioxide separation composition which is excellent in carbon dioxide desorption efficiency (desorption amount/absorption amount) and durability to nitrogen oxides, and a method for separating carbon dioxide. A carbon dioxide separation composition, containing at least one amine compound selected from the group consisting of an amine compound represented by the following formula (1):