Patents by Inventor Djamal Djauadi

Djamal Djauadi 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).

  • Bimetallic catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same
    Patent number: 5948942
    Abstract: A catalyst useful for the simultaneous and selective hydrogenation of diolefins and nitriles present in a hydrocarbon feedstock includes (a) a support material selected from the group consisting of inorganic oxide, carbon, zeolite and mixtures thereof; and (b) a catalytically active metal phase including at least two metals selected from the group consisting of at least partially reduced Group IB metals and completely reduced Group VIII metals, the active metal phase being present in an amount of about .gtoreq.0.03 wt %.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: September 7, 1999
    Assignee: Intevep, S.A.
    Inventors: Magdalena Ramirez de Agudelo, Djamal Djauadi, Julia Guerra