Patents by Inventor Cathy Descamps

Cathy Descamps has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the purification of pentafluoroethane
    Publication number: 20030121769
    Abstract: The invention relates to the purification of pentafluoroethane (F125) containing chloropentafluoroethane (F115) by liquid/liquid extraction or by extractive distillation.
    Type: Application
    Filed: September 16, 2002
    Publication date: July 3, 2003
    Inventors: Emmanuel Guiraud, Cathy Descamps
  • Process for the purification of pentafluoroethane
    Publication number: 20020040172
    Abstract: The invention relates to the purification of pentafluoroethane (F125) containing chloropentafluoroethane (F115) by liquid/liquid extraction or by extractive distillation.
    Type: Application
    Filed: June 26, 2001
    Publication date: April 4, 2002
    Inventors: Emmanuel Guiraud, Cathy Descamps
  • Method for purifying pentafluoroethane
    Patent number: 6307115
    Abstract: The invention relates to the purification of pentafluoroethane (F125) containing chloropentafluoroethane (F115) by liquid/liquid extraction or by extractive distillation. Perchloroethylene is used as extraction agent.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: October 23, 2001
    Inventors: Emmanuel Guiraud, Cathy Descamps