Patents by Inventor Mariana de Mattos Vieira Mello Souza

Mariana de Mattos Vieira Mello Souza 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 reforming process for reducing the tar content of synthesis gas streams
    Patent number: 9365785
    Abstract: The invention described herein proposes steam reforming processes in two stages, the first stage being passing a synthesis gas stream through a first catalyst bed comprising an alkali metal and/or iron titanate based catalyst, and a second stage comprising at least a second catalyst bed containing a refractory supported metal catalyst, preferably having NiO as the metal phase supported with barium hexa-aluminate.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: June 14, 2016
    Assignee: PETROLEO BRASILEIRO S.A.-PETROBRAS
    Inventors: Roberto Carlos Pontes Bittencourt, Cristina Pontes Bittencourt Quitete, Mariana de Mattos Vieira Mello Souza
  • STEAM REFORMING PROCESS FOR REDUCING THE TAR CONTENT OF SYNTHESIS GAS STREAMS
    Publication number: 20150184094
    Abstract: The invention described herein proposes steam reforming processes in two stages, the first stage being passing a synthesis gas stream through a first catalyst bed comprising an alkali metal and/or iron titanate based catalyst, and a second stage comprising at least a second catalyst bed containing a refractory supported metal catalyst, preferably having NiO as the metal phase supported with barium hexa-aluminate.
    Type: Application
    Filed: May 29, 2013
    Publication date: July 2, 2015
    Inventors: Roberto Carlos Pontes Bittencourt, Cristina Pontes Bittencourt Quitete, Mariana de Mattos Vieira Mello Souza