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. 21, 2020
Filed:
Mar. 06, 2018
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Akiko Suzuki, Ota, JP;
Asato Kondo, Yokohama, JP;
Takashi Kuboki, Ota, JP;
Shinji Murai, Sagamihara, JP;
Mitsuru Udatsu, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Abstract
A carbon dioxide absorbent of an embodiment includes a chain amine, a cyclic amine, and an acid. The chain amine is a compound expressed by Formula (1) of FIG.. Rin Formula (1) is hydrogen or an alkyl chain having at least one hydroxyl group and 1 to 7 carbon atoms. Rin Formula (1) is an alkyl chain having at least one hydroxyl group and 1 to 7 carbon atoms. Rin Formula (1) is hydrogen, a straight alkyl chain having 1 to 7 carbon atoms, a branched alkyl chain having 1 to 7 carbon atoms, or a cyclic alkyl chain having 5 to 7 carbon atoms.