Title:
親水性有機溶媒のための精製プロセス
Document Type and Number:
Japanese Patent JP6857184
Kind Code:
B2
Abstract:
Methods for the removal of ionic contaminants from a hydrophilic organic solvent by a mixed bed of ion exchange resins are described. A mixed bed of ion exchange resins with gel-type strong-acid cationic ion exchange resin with a specific moisture holding capacity and gel-type anionic ion exchange resin is used in some embodiments of such methods.
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Inventors:
Kaoru Oba
Kenji Takano
Masanori Iida
Shinsuke Abe
Takashi Masudo
Kishi saki
Ryo Ishibashi
Yusuke Yamashita
Kenji Takano
Masanori Iida
Shinsuke Abe
Takashi Masudo
Kishi saki
Ryo Ishibashi
Yusuke Yamashita
Application Number:
JP2018531319A
Publication Date:
April 14, 2021
Filing Date:
December 16, 2016
Export Citation:
Assignee:
Dow Global Technologies LLC
International Classes:
B01J39/05; B01J47/04; B01J39/20; B01J41/04; B01J41/05; B01J41/14; B01J49/09
Domestic Patent References:
| JP7208166A | ||||
| JP2003535836A | ||||
| JP2013023442A | ||||
| JP2001246377A | ||||
| JP9278418A | ||||
| JP1228560A |
Foreign References:
| WO2017116759A1 | ||||
| US7329354 |
Attorney, Agent or Firm:
Hiroshi Kobayashi
Eiji Katayama
Norio Omori
Yasuhito Suzuki
Eiji Katayama
Norio Omori
Yasuhito Suzuki