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. 10, 2015
Filed:
Mar. 19, 2014
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Shinji Murai, Sagamihara, JP;
Takehiko Muramatsu, Yokohama, JP;
Daigo Muraoka, Suginami-ku, JP;
Satoshi Saito, Yamato, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
A method for isolating an amino alcohol simply from an amino alcohol aqueous solution containing a heterocyclic amine compound is provided. The method is a method for isolating a tertiary amino alcohol from a tertiary amino alcohol aqueous solution containing a heterocyclic amine compound, and for generating an enamine by adding a ketone to the tertiary amino alcohol aqueous solution, isolating the enamine from the tertiary amino alcohol aqueous solution, and isolating the tertiary amino alcohol from a residual liquid obtained by isolating the enamine.