Patents by Inventor Alejandra Marval

Alejandra Marval 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).

  • Publication number: 20170121834
    Abstract: A process for the production of petroleum tar pitch with the using a fresh hydrocarbon feedstock, preheating it, treating the heated feedstock and passing fractionating the treated feedstock into gases, light distillates and a bottom fractionation stream, then dividing the bottom fraction stream into a recycle stream and a cracked fraction stream and using the cracked fraction stream in a reduced pressure distillation tower so that the light cracked fraction is fractionated light vacuum gas oil, heavy vacuum gas oil and a high quality petroleum tar pitch.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 4, 2017
    Applicant: INTEVEP, S.A.
    Inventors: Alexis Lira, Mirian Rosas, David Barros, Yrem Muller, Alejandra Marval