Title:
METHOD FOR PURIFYING TRIALKYLAMINE, TRIALKYLAMINE PRODUCTION METHOD AND COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/030522
Kind Code:
A1
Abstract:
A purpose of the present disclosure is to provide a novel method for lowering the concentration of dimethylamine, diethylamine, ethylpropylamine, and ethylisopropylamine in crude trialkylamine. The present disclosure is a method for purifying trialkylamine characterized by bringing crude trialkylamine including at least one selected from the group consisting of dimethylamine, diethylamine, ethylpropylamine, and ethylisopropylamine into contact with a zeolite and lowering the concentration of at least one selected from the group consisting of dimethylamine, diethylamine, ethylpropylamine, and ethylisopropylamine in the crude trialkylamine from that before the zeolite contact.
Inventors:
SAWAMURA RYOSUKE (JP)
OOMORI HIROYUKI (JP)
KIKUCHI AKIOU (JP)
TAMAI NAOFUMI (JP)
TANIGUCHI TAKAHISA (JP)
YAO AKIFUMI (JP)
OOMORI HIROYUKI (JP)
KIKUCHI AKIOU (JP)
TAMAI NAOFUMI (JP)
TANIGUCHI TAKAHISA (JP)
YAO AKIFUMI (JP)
Application Number:
PCT/JP2021/028882
Publication Date:
February 10, 2022
Filing Date:
August 04, 2021
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
International Classes:
C07C209/84; C07C211/04; C07C211/05
Foreign References:
| JPS5522681A | 1980-02-18 | |||
| JP2016150926A | 2016-08-22 | |||
| JP2006298820A | 2006-11-02 | |||
| US8664446B1 | 2014-03-04 | |||
| CN101130500A | 2008-02-27 |
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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