Patents by Inventor Vidya Dharmagadda

Vidya Dharmagadda 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: 11975316
    Abstract: Methods and systems for re-dispersing platinum on catalysts used in continuous catalyst regeneration reformer systems are disclosed. Some aspects of the disclosure provide, for example, methods of evaluating the platinum re-dispersion of a reforming catalyst in a small-scale reactor for use in a continuous catalyst regeneration reformer system and methods of improving the activity and selectivity of reforming catalysts for use in a continuous catalyst regeneration reformer system by selection of appropriate reaction parameters in a small-scale reactor for use in a continuous catalyst regeneration reformer system.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 7, 2024
    Assignee: MARATHON PETROLEUM COMPANY LP
    Inventors: David J. Zalewski, Vidya Dharmagadda
  • Publication number: 20220048019
    Abstract: Methods and systems for re-dispersing platinum on catalysts used in continuous catalyst regeneration reformer systems are disclosed. Some aspects of the disclosure provide, for example, methods of evaluating the platinum re-dispersion of a reforming catalyst in a small-scale reactor for use in a continuous catalyst regeneration reformer system and methods of improving the activity and selectivity of reforming catalysts for use in a continuous catalyst regeneration reformer system by selection of appropriate reaction parameters in a small-scale reactor for use in a continuous catalyst regeneration reformer system.
    Type: Application
    Filed: October 28, 2021
    Publication date: February 17, 2022
    Applicant: MARATHON PETROLEUM COMPANY LP
    Inventors: David J. Zalewski, Vidya Dharmagadda
  • Publication number: 20200353456
    Abstract: Methods and systems for re-dispersing platinum on catalysts used in continuous catalyst regeneration reformer systems are disclosed. Some aspects of the disclosure provide, for example, methods of evaluating the platinum re-dispersion of a reforming catalyst in a small-scale reactor for use in a continuous catalyst regeneration reformer system and methods of improving the activity and selectivity of reforming catalysts for use in a continuous catalyst regeneration reformer system by selection of appropriate reaction parameters in a small-scale reactor for use in a continuous catalyst regeneration reformer system.
    Type: Application
    Filed: May 7, 2020
    Publication date: November 12, 2020
    Inventors: David J. Zalewski, Vidya Dharmagadda