Patents by Inventor Zaida Hernandez de Godoy

Zaida Hernandez de Godoy 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).

  • Regeneration of catalyst comprising flushing with inert gas followed by flushing with hydrogen
    Patent number: 5817589
    Abstract: A process for regenerating a spent hydrogenation catalyst, comprising the steps of providing a catalyst comprising a support material selected from the group consisting of an inorganic oxide-zeolite composite, carbon and zeolite, and a catalytically active metal phase selected from the group consisting of partially reduced group IB metals and completely reduced group VIII metals, said metal phase being present in an amount of grater than or equal to about 0.03 wt %, and said catalyst having an initial diolefin hydrogenation activity, treating a hydrocarbon feedstock having a diolefin content of greater than or equal to about 0.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: October 6, 1998
    Assignee: Intevep, S.A.
    Inventors: Magdalena Ramirez de Agudelo, Zaida Hernandez de Godoy, Raul Navarro, Julia Guerra