Azeotrope und Azeotropartige Zusammensetzungen aus Pentafluorpropen und Verfahren zur Reinigung davon

Details

Veröffentlichungs-Nr.

EP4749360

Anmeldetag

2. Mai 2011

Veröffentlichung

27. Mai 2026

Rechtsraum

EP

IPC

G02F1/361

Abstract

Provided is a method comprising forming an azeotropic or azeotrope-like composition comprising effective amounts of water and 1,2,3,3,3-pentafluoropropene; and producing 2,3,3,3-tetrafluoro-1-propene from the 1,2,3,3,3-pentafluoropropene. Also provided is a composition comprising 1,2,3,3,3-pentafluoropropene, wherein the 1,2,3,3,3-pentafluoropropene is present as the "Z" isomer, the "E" isomer or a mixture thereof, at least one impurity wherein the at least one impurity is selected from the group consisting of 1,1,1,2,3,3-hexafluoropropane, 1,1,1,2,3 -pentafluoropropane, hexafluoropropylene, 1,1,1,2-tetrafluoropropene, and combinations thereof, and an azeotropic or azeotrope-like composition of 1,2,3,3,3-hexafluoropropene and water

Anmelder

Firma

The Chemours Company FC, LLC

Land

🇺🇸 USA