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Title:
脱フッ化水素処理によるE−1,3,3,3−テトラフルオロプロペン(HFC−1234ze)の製造方法
Document Type and Number:
Japanese Patent JP6888876
Kind Code:
B2
Abstract:
A method of producing a fluoropropene of formula CF3CH=CHF, comprising contacting a mixture of 1,1,1,3,3-pentafluoropropane and Z-1,3,3,3-tetrafluoropropene in the gas phase with a catalyst comprising at least one catalyst selected from the group consisting of fluorinated Cr2O3 or Cr/Ni on fluoride alumina, in the presence of an oxygen containing gas, to form a mixture comprising Z-1,3,3,3-tetrafluoropropane, E-1,3,3,3-tetrafluoropropene, hydrogen fluoride, and optionally unreacted 1,1,1,3,3-pentafluoropropane, separating the E-1,3,3,3-tetrafluoropropene from the Z-isomer and any unreacted 1,1,1,3,3-pentafluoropropane, if present, and recovering said E-1,3,3,3-tetrafluoropropene.

Inventors:
Shen Pen
Mario Joseph Nappa
Application Number:
JP2017508524A
Publication Date:
June 16, 2021
Filing Date:
August 06, 2015
Export Citation:
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Assignee:
The Kemmers Company FC Limited Liability Company
International Classes:
C07C17/25; C07C17/358; C07C17/38; C07C21/18
Domestic Patent References:
JP2009513699A
JP2010528043A
JP2008150356A
JP2013540718A
JP2008069147A
JP2013525487A
JP2000063300A
Foreign References:
WO2013164618A1
CN103537305A
US3413363
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office