Ineos Fluor Holdings Limited

Christopher John Skinner

Richard Llewellyn Powell

Paul Nicholas Ewing

Michael Anthony Davies

An improved process for the manufacture of CF CHF by contacting 1,2-dichloro-1,1,2-trifluoroethane (CClF CHClF) or 1-chloro-1,1,2,2-tetrafluoroethane (CHF CClF ) or mixtures of CF CHCl and CClF CHClF or mixtures of CF CHClF and CHF CClF with HF in the presence of a Cr O catalyst prepared by pyrolysis of ammonium dichromate, the reaction being conducted under controlled conditions whereby the production of CF CHF is maximized, and the formation of chloropentafluoroethane (CF CClF ) and other perhalo derivatives is minimized. The subject hydrogen-containing compound is useful as a blowing agent, propellant, refrigerant, fire extinguishing agent, or sterilant carrier gas.

Growing community of inventors

Newton Hall, United Kingdom

Christopher John Skinner