Patent ID: 9446346
Filing Date: 2016-09-20
CPC Classification: B01D,Y02C

Claim Text:
1. An acidic gas absorbing agent comprising: an amino acid salt represented by general formula (1) or (2): wherein COOMe represents a carboxylate group; Me represents an alkali metal; and R 1 and R 2 each independently represent an alkylene chain having 1 to 4 carbon atoms and a carboxylate group and/or an alkyl group having 1 to 4 carbon atoms may be bonded to any of the carbon atoms in the alkylene chain, provided that the total number of carbon atoms in the alkylene chains indicated by R 1 and R 2 is 1 to 5; and an amine compound represented by general formula (3): wherein R 3 represents a substituted or unsubstituted cycloalkyl group having 3 to 8 carbon atoms; R 4 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and R 5 represents a hydroxyalkyl group.