Title:
ISOCYANATE COMPOUND PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/146090
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.
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Inventors:
MIN JU WON (KR)
RYU HYUN CHEOL (KR)
RYU HYUN CHEOL (KR)
Application Number:
PCT/KR2021/020328
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 | |||
| KR20120038435A | 2012-04-23 | |||
| KR20080033495A | 2008-04-16 | |||
| US20170101367A1 | 2017-04-13 | |||
| KR970001071A | 1997-01-21 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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