Patents by Inventor Gabriela Alvarez-Jüergenson

Gabriela Alvarez-Jüergenson 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).

  • Process for extracting mineral oil using surfactants based on butylene oxide-containing alkyl alkoxylates
    Patent number: 8607865
    Abstract: The invention relates to a process for mineral oil extraction by means of Winsor Type III microemulsion flooding, in which an aqueous surfactant formulation comprising at least one ionic surfactant of the general formula R1—O-(D)n-(B)m-(A)l-XY?M+ is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to ionic surfactants of the general formula.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: December 17, 2013
    Assignee: BASF SE
    Inventors: Christian Bittner, Günter Oetter, Jack Tinsley, Christian Spindler, Gabriela Alvarez-Jüergenson, Sophie Vogel