Title:
METHOD FOR PURIFYING COMPOUND OR POLYMER
Document Type and Number:
WIPO Patent Application WO/2022/045270
Kind Code:
A1
Abstract:
The present invention is a method for purifying a compound or a polymer that includes a step for mixing so as to bring a solution, activated carbon, and an ion exchange resin into contact; the solution is a solution (1) including a hydroxy-substituted aromatic compound represented by formula (A0) and/or formula (B0), and a solvent, a solution (2) including an aromatic polymer including a unit structure including an aromatic group, and a solvent, or a solution (3) including a compound having a structure represented by formula (3-1), and a solvent.
More Like This:
Inventors:
UCHIYAMA NAOYA (JP)
SUGITO KEN (JP)
YAMADA KOUICHI (JP)
OMATSU TADASHI (JP)
MAKINOSHIMA TAKASHI (JP)
ECHIGO MASATOSHI (JP)
SUGITO KEN (JP)
YAMADA KOUICHI (JP)
OMATSU TADASHI (JP)
MAKINOSHIMA TAKASHI (JP)
ECHIGO MASATOSHI (JP)
Application Number:
PCT/JP2021/031419
Publication Date:
March 03, 2022
Filing Date:
August 26, 2021
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C07C37/82; C07C39/08; C07C39/12; C07C39/14; C07C39/15; C07D311/78; C08G8/00; C08G14/00; C08G61/00
Domestic Patent References:
| WO2018159707A1 | 2018-09-07 | |||
| WO2017038964A1 | 2017-03-09 |
Foreign References:
| JPH07232089A | 1995-09-05 | |||
| JPS60181124A | 1985-09-14 | |||
| JPH0774073A | 1995-03-17 | |||
| JP2010159399A | 2010-07-22 | |||
| JPH01228560A | 1989-09-12 | |||
| JPS5668634A | 1981-06-09 | |||
| JPS6270333A | 1987-03-31 | |||
| JPS5639030A | 1981-04-14 | |||
| US20070232775A1 | 2007-10-04 | |||
| JPH05117195A | 1993-05-14 | |||
| JP2011230038A | 2011-11-17 | |||
| JP2001515397A | 2001-09-18 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
Download PDF: