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Title:
METHODS RESPECTIVELY FOR PRODUCING 1,4-CYCLOHEXANEDICARBOXYLIC ACID DERIVATIVE, 1,4-DICYANOCYCLOHEXANE AND 1,4-BIS(AMINOMETHYL)CYCLOHEXANE
Document Type and Number:
WIPO Patent Application WO/2019/198779
Kind Code:
A1
Abstract:
A method for producing a 1,4-cyclohexanedicarboxylic acid derivative, comprising the step of concentrating an aqueous ammonia solution of 1,4-cyclohexanedicarboxylic acid by heating to precipitate the 1,4-cyclohexanedicarboxylic acid derivative in the form of crystals.

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Inventors:
IIDA AKIFUMI (JP)
YAMAZOE AOI (JP)
Application Number:
PCT/JP2019/015726
Publication Date:
October 17, 2019
Filing Date:
April 11, 2019
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C07C51/43; C07C61/09; C07C209/48; C07C211/18; C07C253/22; C07C255/46; C07B61/00
Domestic Patent References:
WO2014080980A12014-05-30
WO2012046782A12012-04-12
WO2009051114A12009-04-23
Foreign References:
CN105016944A2015-11-04
JPH08157419A1996-06-18
JP2011006382A2011-01-13
CN101591237A2009-12-02
JPS5010581A1975-02-03
JP50704195A1994-08-09
JP2002069032A2002-03-08
JP5448987B22014-03-19
JP2018076270A2018-05-17
Other References:
See also references of EP 3778544A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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