Patents by Inventor Jean-Pierre Vogel

Jean-Pierre Vogel 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).

  • Patent number: 6054064
    Abstract: Refrigerants comprising 1,1-difluoroethylene and one or more hydrofluoroalkanes, in particular difluoromethane (R-32), trifluoromethane (R-23), 1,1-difluoroethane (R-152a), 1,1,1-trifluoroethane (R-143a), 1,1,1,2-tetrafluoroethane (R-134a) and/or pentafluoroethane (R-125).
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: April 25, 2000
    Assignees: Solvay (Societe Anonyme), Solvay Fluor und Derivate GmbH
    Inventors: Bruno D'Aubarede, Dominique Balthasart, Mireille Paulus, Pierre Barthelemy, Holger Koenig, Dominique Lecroc, Jean-Pierre Vogel, Hans Buchwald, Reinhold Doering, Joachim Hellmann