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:
Aug. 17, 2021
Filed:
Mar. 22, 2019
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Shinji Murai, Sagamihara, JP;
Yasuhiro Kato, Kawasaki, JP;
Akiko Suzuki, Ota, JP;
Mitsuru Udatsu, Kawasaki, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
An acidic gas absorbent contains an amine compound of formula (1) and a cyclic amino compound of formula (2) or (3): where in the formulas, each Ris independently a straight-chain hydroxyalkyl having a hydroxy at the terminal, Ris a branched-chain secondary alkyl group, Rand Rare hydrogen, hydroxy, a hydroxyalkyl or aminoalkyl, provided that at least one of Rand Rs is a hydroxyalkyl or aminoalkyl, each p is independently an integer of 2 to 4, each Ris independently hydrogen, hydroxy, or a hydroxyalkyl or aminoalkyl, provided that at least one of Rs is a hydroxyalkyl or aminoalkyl, and q is an integer of 3 to 8.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile