１－クロロ－３，３，３－トリフルオロプロペンを精製するための方法

Title:

１－クロロ－３，３，３－トリフルオロプロペンを精製するための方法

Document Type and Number:

Japanese Patent JP7413399

Kind Code:

B2

Abstract:

The present invention relates to a process for purifying 1-chloro-3,3,3-trifluoropropene comprising the steps of: a) providing a stream comprising 1-chloro-3,3,3-trifluoropropene and at least one compound of formula HX wherein X is F or Cl; b) bringing the stream from step a) into contact with a solution A comprising at least one sulfite salt of formula Yn+mSO3 wherein Y is an alkali or alkaline-earth metal, n=1 or 2, and m=2 when n=1 or m=1 when n=2; in order to form a neutralized stream A1 comprising 1-chloro-3,3,3-trifluoropropene.

More Like This:

WO/2003/045880	PHOTOCHLORINATION OF 1,1,1,3,3-PENTAFLUOROPROPANE
JP7488472	Method for Producing Z-1,2-Dichloro-3,3,3-Trifluoropropene

Inventors:

Busary, Emmanuel
Hisler, Kevin
Pigamo, Ann
Collier, Bertrand

Application Number:

JP2021558923A

Publication Date:

January 15, 2024

Filing Date:

April 01, 2020

Export Citation:

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Assignee:

Arkema France

International Classes:

C07C17/395; C07C21/18

Domestic Patent References:

JP2017510621A
JP2016510817A
JP2020505360A
JP2001240566A
JP2003212802A

Attorney, Agent or Firm:

Sonoda & Kobayashi Patent Attorneys Corporation

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