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Title:
CARBON DIOXIDE ABSORBER
Document Type and Number:
WIPO Patent Application WO/2022/163209
Kind Code:
A1
Abstract:
A carbon dioxide absorber which comprises an amine compound (A) having a heterocyclic structure (X) selected from among oxygen-containing heterocyclic structures and sulfur-containing heterocyclic structures and which has a content of the amine compound (A) of 65 mass% or higher.

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Inventors:
KOUNO KAZUKI (JP)
KAWASHIMA YUKI (JP)
ASAI RYO (JP)
KIRINO TOMOAKI (JP)
Application Number:
PCT/JP2021/046959
Publication Date:
August 04, 2022
Filing Date:
December 20, 2021
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C07D309/04; B01D53/14; C01B32/50; C07D295/13; C07D307/14; C07D307/52; C07D333/20
Domestic Patent References:
WO2014001664A12014-01-03
Foreign References:
JP2006136885A2006-06-01
JP2009529420A2009-08-20
JPH02504367A1990-12-13
JP2019055394A2019-04-11
JP2020041025A2020-03-19
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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