Title:
METHOD FOR REGENERATING HYDROGENATION CATALYST
Document Type and Number:
WIPO Patent Application WO/2020/138762
Kind Code:
A1
Abstract:
The present invention relates to a method for regenerating a carboxylic acid or carboxylate hydrogenation catalyst and, more specifically, to a method for regenerating a hydrogenation catalyst to be used in a reaction of converting a dicarboxylic acid group into a diol group. The present invention provides an effect of regenerating a catalyst deactivated by the deposition of esters to be generated in a reaction of converting a dicarboxylic acid group into a diol group.
Inventors:
YOOK SUN WOO (KR)
KIM JEONG KWON (KR)
JEON BONG SIK (KR)
MYEONG WAN JAE (KR)
KIM JEONG KWON (KR)
JEON BONG SIK (KR)
MYEONG WAN JAE (KR)
Application Number:
PCT/KR2019/017330
Publication Date:
July 02, 2020
Filing Date:
December 30, 2019
Export Citation:
Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
B01J38/58; B01J23/62; B01J23/96; B01J38/52; C07C29/147
Foreign References:
| KR20160118010A | 2016-10-11 | |||
| KR20090031793A | 2009-03-27 | |||
| US20160332154A1 | 2016-11-17 | |||
| US20070275845A1 | 2007-11-29 | |||
| KR20130132008A | 2013-12-04 | |||
| JP3726504B2 | 2005-12-14 | |||
| US4533648A | 1985-08-06 | |||
| KR20090031793A | 2009-03-27 | |||
| KR20120056040A | 2012-06-01 |
Other References:
See also references of EP 3903937A4
Attorney, Agent or Firm:
KIM, Chang Deok (KR)
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