Patents by Inventor Laura De Santis Marquez

Laura De Santis Marquez 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: 7989404
    Abstract: A microemulsion system is disclosed which comprises a solvent subsystem, a co-solvent subsystem and a surfactant subsystem comprises at least one monoalkyl branched propoxy sulfate anionic surfactant, where the microemulsion system are useful in drilling, producing, remediation, and fracturing application to reduce water blocks and water blocking in formation of a producing formation.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: August 2, 2011
    Assignee: Clearwater International, LLC
    Inventors: Sarkis R. Kakadjian, Frank Zamora, Tina Garza, Laura De Santis Marquez, Jean-Luis Salager