Title:
ORGANIC AMINE PURIFICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/203255
Kind Code:
A1
Abstract:
A method for purification of organic amines, comprising introducing a resin polymer matrix to a liquid containing at least an organic amine bonded to at least one metallic element, wherein the resin polymer matrix is embedded with an amino compound selected from the group consisting of iminodiacetic acid, aminomethylphosphonic acid or a combination thereof, and wherein the embedded resin polymer matrix binds the at least one metallic element, and the at least one metallic element is removed from the organic amine.
Inventors:
JIANG QI (CN)
LIU YUJUN (US)
OHBA KAORU (JP)
KIM JONGCHEOL (KR)
CHEN XUE (US)
MU LI (CN)
MU JIANHAI (CN)
KING STEPHEN (US)
LIU YUJUN (US)
OHBA KAORU (JP)
KIM JONGCHEOL (KR)
CHEN XUE (US)
MU LI (CN)
MU JIANHAI (CN)
KING STEPHEN (US)
Application Number:
PCT/CN2020/083624
Publication Date:
October 14, 2021
Filing Date:
April 08, 2020
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
DOW CHEMICAL KOREA LTD (KR)
JIANG QI (CN)
LIU YUJUN (US)
OHBA KAORU (JP)
KIM JONGCHEOL (KR)
CHEN XUE (US)
MU LI (CN)
MU JIANHAI (CN)
KING STEPHEN W (US)
DOW CHEMICAL KOREA LTD (KR)
JIANG QI (CN)
LIU YUJUN (US)
OHBA KAORU (JP)
KIM JONGCHEOL (KR)
CHEN XUE (US)
MU LI (CN)
MU JIANHAI (CN)
KING STEPHEN W (US)
International Classes:
C07C211/63; C07C213/10
Foreign References:
| CN101115707A | 2008-01-30 | |||
| CN103102273A | 2013-05-15 | |||
| CN101356151A | 2009-01-28 | |||
| CN101993387A | 2011-03-30 | |||
| EP2935201A1 | 2015-10-28 |
Other References:
See also references of EP 4132903A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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