Patents by Inventor Yves P. R. Jean

Yves P. R. Jean 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).

  • Plasma process for increasing the molecular weight of hydrocarbons and/or derivatives thereof
    Patent number: 5034108
    Abstract: A process is disclosed for increasing the molecular weight of hydrocarbons and/or derivatives thereof by contacting them with an active hydrogen-containing system which comprises generating a hydrogen-containing plasma at a pressure of at least 5 mm and allowing contact of said hydrocarbons and/or derivatives thereof in liquid form with the plasma-generated system and recovering therefrom a product having an increased average molecular weight.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: July 23, 1991
    Assignee: Shell Oil Company
    Inventors: Jacques J. Dufour, Yves P. R. Jean