Patent · US Active

Process for separation of a mixture comprising at least one hydrofluoroalkane

US7566809B2 · kind B2 · utility

1Cited by

8References

20Claims

0Family size

Assignee

SOLVAY SA · BE

Inventors

Alain Lambert · Beauvechain, BE
Vincent Wilmet · Louvain-la-Neuve, BE

Key dates

Filing date	May 25, 2007
Grant date	Jul 28, 2009
Priority date	—
Expiry date	May 25, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C17/38
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the separation of a mixture comprising at least one hydrofluoroalkane and hydrogen fluoride, according to which a hydrofluoroalkane/hydrogen fluoride mixture is reacted with at least one chlorinated or chlorofluorinated precursor of the hydrofluoroalkane. Process for the preparation of a hydrofluoroalkane comprising such a separation, in combination with a catalytic reaction stage. Azeotropic compositions.

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