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:
Apr. 05, 2022
Filed:
Mar. 08, 2019
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Akiko Suzuki, Ota, JP;
Yoshihiko Nakano, Yokohama, JP;
Reiko Yoshimura, Kawasaki, JP;
Toshihiro Imada, Kawasaki, JP;
Takashi Kuboki, Ota, JP;
Kenji Sano, Inagi, JP;
Mitsuru Udatsu, Kawasaki, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
The embodiments provide an acidic gas absorbent having low diffusibility, an acidic gas removal method, and an acidic gas removal apparatus. The acidic gas absorbent according to the embodiment comprises: an amine compound having a vapor pressure of 0.001 to 10 Pa at 20° C.; a water-soluble polymer compound having a mass-average molecular weight of 900 to 200000 and not containing a functional group having a pKa value greater than 7 except for hydroxy; and water.