Patent Number: 6,307,115

Title: Method for purifying pentafluoroethane

Abstract: The invention relates to the purification of pentafluoroethane (F125)containing chloropentafluoroethane (F115) by liquid/liquid extraction orby extractive distillation.Perchloroethylene is used as extraction agent.

Inventors: Guiraud; Emmanuel (62930 Saint Genis Laval, FR), Descamps; Cathy (69450 Saint Cyr au Mont d'or, FR)

Assignee:

International Classification:

Expiration Date: 10/23/2013