Patent · US Active

Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof

US7388117B2 · kind B2 · utility

4Cited by

8References

26Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Ralph Newton Miller · Newark, US
Barbara Haviland Minor · Elkton, US
Mario Joseph Nappa · Newark, US
Velliyur Nott Mallikarjuna Rao · Wilmington, US
Allen Capron Sievert · Elkwood Estates, US

Key dates

Filing date	Oct 30, 2006
Grant date	Jun 17, 2008
Priority date	—
Expiry date	Oct 30, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C17/383
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.