Patents by Inventor Robert Duchesnes

Robert Duchesnes 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).

  • Steam-cracking of modified naphtha
    Patent number: 7838712
    Abstract: Disclosed is a method for steam-cracking naphtha, according to which a charge of hydrocarbons containing a portion of paraffinic naphtha, which is modified by adding a combination of a first component containing a portion of gasoline and a second component containing a portion of at least one hydrocarbonated refinery gas, and a paraffin-rich change containing at least one paraffin selected among propane, butane, or a mixture thereof are fed through a steam cracker in the presence of vapor. Also disclosed is a hydrocarbon composition suitable for steam cracking, containing a portion of a paraffinic naphtha, which is modified by adding a combination of a first component containing a portion of gasoline and a second component containing a portion of at least one hydrocarbonated refinery gas and a paraffin-rich charge containing at least one paraffin selected among propane, butane, or a mixture thereof.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: November 23, 2010
    Assignees: Total Petrochemicals Research Feluy, Total Raffinage Marketing
    Inventors: François Bouvart, Robert Duchesnes, Claude Gutle
  • Steam-cracking of modified naphtha
    Publication number: 20060089518
    Abstract: Disclosed is a method for steam-cracking naphtha, according to which a charge of hydrocarbons containing a portion of paraffinic naphtha, which is modified by adding a combination of a first component containing a portion of gasoline and a second component containing a portion of at least one hydrocarbonated refinery gas, and a paraffin-rich change containing at least one parrafin selected among propane, butane, or a mixture thereof are fed through a steam cracker in the presence of vapor. Also disclosed is a hydrocarbon composition suitable for steam cracking, containing a portion of a paraffinic naphtha, which is modified by adding a combination of a first component containing a portion of gasoline and a second component containing a portion of at least one hydrocarbonated refinery gas and a paraffin-rich charge containing at least one paraffin selected among propane, butane, or a mixture thereof.
    Type: Application
    Filed: January 9, 2003
    Publication date: April 27, 2006
    Applicants: ATOFINA, TOTALFINAELF FRANCE
    Inventors: Francois Bouvart, Robert Duchesnes, Claude Gutle