Patent · US Active

Acidic gas absorbent, acidic gas removal method and acidic gas removal apparatus

US10835858B2 · kind B2 · utility

0Cited by

7References

11Claims

0Family size

Assignees

Kabushiki Kaisha Toshiba · JP
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION · JP

Inventors

Yoshihiko Nakano · Yokohama, JP
Akiko Suzuki · Tokyo, JP
Takashi Kuboki · Tokyo, JP
Toshihiro Imada · Kawasaki, JP
Shinji Murai · Tokyo, JP
Reiko Yoshimura · Kawasaki, JP
Kenji Sano · Tokyo, JP
Mitsuru Udatsu · Kawasaki, JP

Key dates

Filing date	Mar 8, 2019
Grant date	Nov 17, 2020
Priority date	—
Expiry date	Mar 8, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02C20/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The embodiments provide an acidic gas absorbent, an acidic gas removal method, and an acidic gas removal apparatus. The absorbent absorbs an acidic gas in a large amount and hardly diffuses in air. The acidic gas absorbent according to the embodiment comprises an amine compound having a sulfonyl group and two or more amino groups.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.