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Patent Searching and Data


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.

Inventors:
XUE YONGHE (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
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Assignee:
MOJIA SHANGHAI BIOTECH CO LTD (CN)
International Classes:
C07C265/14; C07C263/20
Foreign References:
CN105121403A2015-12-02
CN101801920A2010-08-11
CN102245565A2011-11-16
CN110072845A2019-07-30
CN110914236A2020-03-24
CN102260194A2011-11-30
CN111094240A2020-05-01
CN110891932A2020-03-17
Attorney, Agent or Firm:
JUN HE LAW OFFICES (CN)
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