Title:
METHOD FOR PREPARING 1,4-CYCLOHEXANEDIMETHANOL
Document Type and Number:
WIPO Patent Application WO/2020/138973
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing 1,4-cyclohexanedimethanol. According to the present invention, provided is a method in which a two-stage reduction reaction is performed by means of terephthalic acid as a starting material, an isomerization process for increasing the trans-isomer ratio in CHDA is introduced during same, and thus CHDM having a high trans-isomer ratio can stably be prepared.
Inventors:
JANG NAMJIN (KR)
KIM EUN JEONG (KR)
LEE SUN UK (KR)
LEE JONG KWON (KR)
KIM EUN JEONG (KR)
LEE SUN UK (KR)
LEE JONG KWON (KR)
Application Number:
PCT/KR2019/018516
Publication Date:
July 02, 2020
Filing Date:
December 26, 2019
Export Citation:
Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
C07C29/147; B01J23/44; C07C29/56; C07C29/94; C07C31/27; C07C51/36; C07C61/08
Domestic Patent References:
| WO2015156582A1 | 2015-10-15 |
Foreign References:
| KR20160056208A | 2016-05-19 | |||
| JP2000191602A | 2000-07-11 | |||
| JP2002145824A | 2002-05-22 | |||
| KR20150002258A | 2015-01-07 | |||
| JP2018076282A | 2018-05-17 | |||
| KR20150062911A | 2015-06-08 | |||
| KR100943872B1 | 2010-02-24 | |||
| JP2014177422A | 2014-09-25 |
Other References:
See also references of EP 3904323A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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