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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.:

US 12589354 B1

PDFFull Text
Date of Patent:
Mar. 31, 2026

Filed:

Jun. 30, 2021

Acidic gas separation device, air purifier, air conditioner, and acidic gas concentration device

Applicant:

Kuraray Co., Ltd., Kurashiki, JP;

Inventors:

Momotaro Kanno, Okayama, JP;

Yoshihisa Inui, Okayama, JP;

Hideharu Iwasaki, Osaka, JP;

Assignee:

KURARAY CO., LTD., Kurashiki, JP;

Attorney:

Element IP, PLC

Primary Examiner:

Christopher P Jones

Int. Cl.
CPC ...
B01D 53/02 (2006.01); A61L 9/04 (2006.01); A61L 9/16 (2006.01); B01D 53/32 (2006.01); F24F 8/192 (2021.01); A61L 101/48 (2006.01);
U.S. Cl.
CPC ...
B01D 53/32 (2013.01); A61L 9/042 (2013.01); A61L 9/16 (2013.01); F24F 8/194 (2021.01); A61L 2101/48 (2020.08); B01D 2252/30 (2013.01); B01D 2257/302 (2013.01); B01D 2257/304 (2013.01); B01D 2257/404 (2013.01); B01D 2257/504 (2013.01); B01D 2259/818 (2013.01);
Abstract

One aspect of the present invention is an acidic gas separation device including: an electrolyte layer; a pair of electrodes provided with the electrolyte layer interposed between the pair of electrodes; and a voltage application unit that applies a voltage between the pair of electrodes, wherein the pair of electrodes are gas permeable electrodes, and the electrolyte layer contains: at least one selected from the group consisting of high molecular weight redox compounds having a radicalization rate of 90% or more, high molecular weight redox compounds having a quinone group in a molecule, and high molecular weight redox compounds having an imino group in a molecule; and a nonvolatile electrolytic solution.

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Kanno, Momotaro. (2026). Acidic gas separation device, air purifier, air conditioner, and acidic gas concentration device (U.S. Patent No. 12589354). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12589354

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