Title:
METHOD FOR PREPARING ISOCYANATE BY MEANS OF GAS-PHASE SOLVENT-FREE METHOD
Document Type and Number:
WIPO Patent Application WO/2023/108620
Kind Code:
A1
Abstract:
The present application relates to a method for preparing isocyanate. Specifically, in the method of the present application, phosgene (especially liquid phosgene) is used as a quench medium to prepare isocyanate.
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Inventors:
XUE YONGHE (CN)
LAU MAN KIT (CN)
LU CHENGLIANG (CN)
YUAN HAIXIN (CN)
CHIEW ANSEN (CN)
LAU MAN KIT (CN)
LU CHENGLIANG (CN)
YUAN HAIXIN (CN)
CHIEW ANSEN (CN)
Application Number:
PCT/CN2021/139210
Publication Date:
June 22, 2023
Filing Date:
December 17, 2021
Export Citation:
Assignee:
MOJIA SHANGHAI BIOTECH CO LTD (CN)
International Classes:
C07C265/14; C07C263/20
Foreign References:
CN105121403A | 2015-12-02 | |||
CN101801920A | 2010-08-11 | |||
CN102245565A | 2011-11-16 | |||
CN110072845A | 2019-07-30 | |||
CN110914236A | 2020-03-24 | |||
CN102260194A | 2011-11-30 | |||
CN111094240A | 2020-05-01 | |||
CN110891932A | 2020-03-17 |
Attorney, Agent or Firm:
JUN HE LAW OFFICES (CN)
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