Patents by Inventor Jean-Michel Biedermann

Jean-Michel Biedermann 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 deasphalting a hydrocarbon charge containing asphaltenes
    Patent number: 4715946
    Abstract: Process for deasphalting a hydrocarbon charge by means of a deasphalting solvent.The charge (1) is introduced, at 100.degree.-200.degree. C., in admixture with a deasphalting solvent (3and 4), into a settler (7). The deasphalted oil (24) is separated from the solvent (23). Asphalt (9) is washed in a column and then separated from the washing liquid (21).
    Type: Grant
    Filed: April 4, 1986
    Date of Patent: December 29, 1987
    Assignee: Institut Francais du Petrole
    Inventors: Jean-Francois Le Page, Alain Billon, Frederic Morel, Pierre Renard, Jean-Michel Biedermann, Michel Laborde, Jacques Bousquet