Patents by Inventor Maria Lourdes Iturralde

Maria Lourdes Iturralde 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).

  • Patent number: 6060287
    Abstract: The present invention is directed to methods for preparing biosurfactants for use in stabilizing emulsions of high viscosity hydrocarbons such as high viscosity crude oil wherein the biosurfactant is a metabolite of Pseudomonas Aeruginosa (USB-CS1). The resulting biosurfactant can be used to produce stabilized emulsions having a viscosity of below about 500 centipoise and, more preferably, below about 100 centipoise at ambient temperatures.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: May 9, 2000
    Assignee: Universidad Simon Bolivar
    Inventors: Carlos Ali Rocha, Dosinda Gonzalez, Maria Lourdes Iturralde, Ulises Leonardo Lacoa, Fernando Antonio Morales
  • Patent number: 5866376
    Abstract: The present invention is directed to biosurfactant stabilized emulsions of high viscosity hydrocarbons such as high viscosity crude oil wherein the biosurfactant is a metabolite of Pseudomonas aeruginosa (USB-CS1) and two methods for making the same. Preferably, the viscosity of the biosurfactant stabilized emulsions is below about 500 centipoise and, more preferably, below about 100 centipoise at ambient temperatures.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: February 2, 1999
    Assignee: Universidad Simon Bolivar
    Inventors: Carlos Ali Rocha, Dosinda Gonzalez, Maria Lourdes Iturralde, Ulises Leonardo Lacoa, Fernando Antonio Morales