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:
Nov. 12, 2024
Filed:
Apr. 28, 2022
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
The Kansai Electric Power Co., Inc., Osaka, JP;
Hiroshi Tanaka, Tokyo, JP;
Takashi Kamijo, Tokyo, JP;
Takuya Hirata, Tokyo, JP;
Tatsuya Tsujiuchi, Tokyo, JP;
Takuya Sugiura, Toyko, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
The Kansai Electric Power Co., Inc., Osaka, JP;
Abstract
A composite amine absorbent to absorb at least one of COand HS in a gas includes: a chain monoamine; a diamine; a cyclic compound represented by the following chemical formula: where R: any one of hydrogen, a hydrocarbon group having a carbon number of 1 to 4, and a hydroxyalkyl group, R: oxygen or N—R, and R: any one of hydrogen, a hydrocarbon group having a carbon number of 1 to 4, and a hydroxyalkyl group; and water.