Title:
ISOCYANATE COMPOUND PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/146088
Kind Code:
A1
Abstract:
The present invention relates to an isocyanate compound preparation method. The objective of the present invention is to provide an isocyanate compound preparation method, which enables the recovery and reuse of materials used in a reaction when an isocyanate compound is prepared using phosgene, and enables the thermal denaturation of a reaction product and the generation of by-products to be minimized.
Inventors:
RYU HYUN CHEOL (KR)
MIN JU WON (KR)
MIN JU WON (KR)
Application Number:
PCT/KR2021/020325
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:
| KR20190142642A | 2019-12-27 | |||
| KR20180127517A | 2018-11-28 | |||
| KR20140136456A | 2014-11-28 | |||
| KR20180030035A | 2018-03-21 | |||
| KR20080057247A | 2008-06-24 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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