Patent · US Expired

Production of hydrofluorocarbons

US5495056A · kind A · utility

4Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1994
Grant dateFeb 27, 1996
Priority date
Expiry dateDec 12, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C17/361
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the production of hydrofluorocarbons, in particular hydrofluoroalkanes such as difluoromethane, which comprises contacting an .alpha.-fluoro-ether, in particular a fluorinated dialkyl ether such as bis(fluoromethyl)ether in the liquid phase with a Lewis acid such as a fluoride of Nb, Sb, B, Ta, Al or Ti.

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