Patents by Inventor Rosa Caldera

Rosa Caldera 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).

  • Hydroprocessing of naphtha streams at moderate conditions
    Patent number: 8258074
    Abstract: The invention is drawn to a catalyst having a substantially bimodal support phase and an active metal phase that is suitable and stable for desulfurization of high-olefin content naphtha streams with minimal octane-loss running at low hydrogen pressure. The active metal phase preferably includes cobalt, molybdenum and at least one additional metal selected from the alkali-metals group.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: September 4, 2012
    Assignee: Intevep, S.A.
    Inventors: Yilda Romero, Jorge Tejada, Jose de la Cruz Castro, Rosa Caldera
  • Hydroprocessing of naphtha streams at moderate conditions
    Patent number: 8197672
    Abstract: The invention is drawn to a catalyst having a substantially bimodal support phase and an active metal phase that is suitable and stable for desulfurization of high-olefin content naphtha streams with minimal octane-loss running at low hydrogen pressure. The active metal phase preferably includes cobalt, molybdenum and at least one additional metal selected from the alkali-metals group.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: June 12, 2012
    Assignee: Intevep, S.A.
    Inventors: Yilda Romero, Jorge Tejada, Jose de la Cruz Castro, Rosa Caldera
  • Hydroprocessing Of Naphtha Streams At Moderate Conditions
    Publication number: 20090008294
    Abstract: The invention is drawn to a catalyst having a substantially bimodal support phase and an active metal phase that is suitable and stable for desulfurization of high-olefin content naphtha streams with minimal octane-loss running at low hydrogen pressure. The active metal phase preferably includes cobalt, molybdenum and at least one additional metal selected from the alkali-metals group.
    Type: Application
    Filed: August 18, 2008
    Publication date: January 8, 2009
    Applicant: INTEVEP, S.A.
    Inventors: Yilda Romero, Jorge Tejada, Jose de la Cruz Castro, Rosa Caldera
  • Hydroprocessing of naphtha streams at moderate conditions
    Publication number: 20060213814
    Abstract: The invention is drawn to a catalyst having a substantially bimodal support phase and an active metal phase that is suitable and stable for desulfurization of high-olefin content naphtha streams with minimal octane-loss running at low hydrogen pressure. The active metal phase preferably includes cobalt, molybdenum and at least one additional metal selected from the alkali-metals group.
    Type: Application
    Filed: March 24, 2005
    Publication date: September 28, 2006
    Inventors: Yilda Romero, Jorge Tejada, Jose Castro, Rosa Caldera