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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.:

US 9724642 B1

PDFFull Text
Date of Patent:
Aug. 08, 2017

Filed:

Nov. 28, 2014

Acid gas absorbent, acid gas removal device, and acid gas removal method

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Shinji Murai, Sagamihara, JP;

Yukishige Maezawa, Hachioji, JP;

Yasuhiro Kato, Kawasaki, JP;

Takehiko Muramatsu, Yokohama, JP;

Masatoshi Hodotsuka, Saitama, JP;

Satoshi Saito, Yamato, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Daniel Berns

Int. Cl.
CPC ...
C07C 217/28 (2006.01); C07C 217/08 (2006.01); C07C 217/52 (2006.01); C07C 215/42 (2006.01); B01D 53/62 (2006.01); B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
B01D 53/62 (2013.01); B01D 53/1475 (2013.01); B01D 53/1493 (2013.01); C07C 217/08 (2013.01); B01D 2252/2023 (2013.01); B01D 2252/20426 (2013.01); B01D 2252/20484 (2013.01); B01D 2252/502 (2013.01); B01D 2252/602 (2013.01); B01D 2252/606 (2013.01); B01D 2252/608 (2013.01); B01D 2257/304 (2013.01); B01D 2257/504 (2013.01); B01D 2258/0283 (2013.01); Y02C 10/06 (2013.01);
Abstract

An acid gas absorbent includes at least one kind of secondary amine compound represented by formula (1): where Ris a cyclopentyl group or a cyclohexyl group which may be substituted by a substituted or non-substituted alkyl group having 1 to 3 carbon atoms, Rand Reach indicate an alkylene group having 2 to 4 carbon atoms, and Rand Rmay each be the same or different, and be a straight chain or have a side chain.

Find Patent Forward Citations

Murai, Shinji. (2017). Acid gas absorbent, acid gas removal device, and acid gas removal method (U.S. Patent No. 9724642). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9724642

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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