Patents by Inventor Lisa M. Rogers

Lisa M. Rogers 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).

  • Deasphalter unit throughput increase via resid membrane feed preparation
    Patent number: 7736493
    Abstract: The present invention relates to a process for improving a deasphalting unit process by producing an improved feedstream for the deasphalting process via ultrafiltration of a vacuum resid-containing feedstream. In particular, the present invention produces an improved quality feedstream to a solvent deasphalting process which results in improved deasphalted oil (DAO) production rates and/or higher quality deasphalted oils. The present invention can be particularly beneficial when used in conjunction with an existing deasphalting equipment to result in improved deasphalted oil (DAO) production rates and/or higher quality deasphalted oils from the existing deasphalting equipment without the need for significant equipment modifications to the existing deasphalting unit.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 15, 2010
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Daniel P. Leta, Lisa M. Rogers, Merryl J. Miranda, Keith K. Aldous, Stephen M. Cundy, MaryKathryn Lee, Edward W. Corcoran
  • Deasphalter unit throughput increase via resid membrane feed preparation
    Publication number: 20090057192
    Abstract: The present invention relates to a process for improving a deasphalting unit process by producing an improved feedstream for the deasphalting process via ultrafiltration of a vacuum resid-containing feedstream. In particular, the present invention produces an improved quality feedstream to a solvent deasphalting process which results in improved deasphalted oil (DAO) production rates and/or higher quality deasphalted oils. The present invention can be particularly beneficial when used in conjunction with an existing deasphalting equipment to result in improved deasphalted oil (DAO) production rates and/or higher quality deasphalted oils from the existing deasphalting equipment without the need for significant equipment modifications to the existing deasphalting unit.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 5, 2009
    Inventors: Daniel P. Leta, Lisa M. Rogers, Merryl J. Miranda, Keith K. Aldous, Stephen M. Cundy, MaryKathryn Lee, Edward W. Corcoran