Patents by Inventor Jean-Pierre Franck

Jean-Pierre Franck 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 producing xylenes of high para-xylene content
    Patent number: 3980727
    Abstract: Toluene and poly-methyl benzene hydrocarbons are reacted in the presence of an improved catalyst containing a group VIII noble metal. The catalyst is obtained by admixing a catalyst carrier with a Group VIII noble metal or compound thereof and with a hydrocarbyl aluminum halide. Sulfur may be present. The yield and selectivity are substantially improved as compared to conventional catalysts.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: September 14, 1976
    Assignee: Institut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de Recherches et d'Activities Petrolieres Elf
    Inventors: Christian Marcilly, Germain Martino, Jean-Pierre Franck
  • Process for recovering palladium, more particularly from alumina containing catalysts
    Patent number: 3951648
    Abstract: Process for recovering palladium from a catalyst having a palladium content of less than 5 %, comprising contacting said catalyst with a gaseous chlorinated organic compound at a temperature sufficient for vaporizing the palladium and cooling the gaseous phase so as to recover the formed chlorinated palladium derivative.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: April 20, 1976
    Assignee: Institut Francais du Petrole
    Inventors: Robert Stern, Jean-Pierre Franck, Jean-Francois Le Page