Title:
ISOCYANATE COMPOUND PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/146093
Kind Code:
A1
Abstract:
The present invention relates to an isocyanate compound preparation method. According to the present invention, provided is an isocyanate compound preparation method, which enables the thermal denaturation of a reaction product and the generation of by-products to be minimized when an isocyanate compound is prepared using phosgene, and enables a high purity isocyanate compound to be obtained.
Inventors:
RYU HYUN CHEOL (KR)
MIN JU WON (KR)
HAN KEEDO (KR)
MIN JU WON (KR)
HAN KEEDO (KR)
Application Number:
PCT/KR2021/020333
Publication Date:
July 07, 2022
Filing Date:
December 30, 2021
Export Citation:
Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
C07C263/10; C07C263/16; C07C263/20; C07C265/14
Foreign References:
| KR20140136456A | 2014-11-28 | |||
| KR20190142642A | 2019-12-27 | |||
| US20060123842A1 | 2006-06-15 | |||
| KR101020373B1 | 2011-03-08 | |||
| KR102039089B1 | 2019-11-26 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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