Patents by Inventor Asha C. Quant

Asha C. Quant 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).

  • Slurry loop reactor bad catalyst range control
    Patent number: 11813583
    Abstract: A process for maintaining an optimum polymerization process in a continuous loop polymerization reactor by driving a catalyst feed range set-point around a bad catalyst set-point range using a bad catalyst feed rate program to vary the catalyst feed rate for differing periods of time between previously determined good catalyst feed rates.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: November 14, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Douglas J. Picou, Keith W. Trapp, Asha C. Quant, Ariana L. Poindexter, Maxwell T. Mcgee
  • Slurry loop reactor polymerization rate and quality controller
    Patent number: 11806685
    Abstract: A process and system for maintaining optimum polymerization production in a loop polymerization reactor by continuously and periodically obtaining polymerization results, such as melt index (MI), production rate and ash content of the polymer produced, determining whether each of the results is within desired ranges, storing and averaging recently obtained results in a database within a reaction rate controller program, and when one of the results is out of the desired range modifying at least one reaction parameter set-point such as monomer concentration, catalyst feed rate and reactor temperature to drive any out-of-range polymerization result(s) toward the desired range for that result.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: November 7, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Douglas J. Picou, Keith W. Trapp, Kelly M. Forcht, Asha C. Quant, Ariana L. Poindexter, Maxwell T. Mcgee
  • Slurry Loop Reactor Bad Catalyst Range Control
    Publication number: 20210077972
    Abstract: A process for maintaining an optimum polymerization process in a continuous loop polymerization reactor by driving a catalyst feed range set-point around a bad catalyst set-point range using a bad catalyst feed rate program to vary the catalyst feed rate for differing periods of time between previously determined good catalyst feed rates.
    Type: Application
    Filed: August 20, 2020
    Publication date: March 18, 2021
    Inventors: Douglas J. Picou, Keith W. Trapp, Asha C. Quant, Ariana L. Poindexter, Maxwell T. Mcgee
  • Slurry Loop Reactor Polymerization Rate and Quality Controller
    Publication number: 20210077974
    Abstract: A process and system for maintaining optimum polymerization production in a loop polymerization reactor by continuously and periodically obtaining polymerization results, such as melt index (MI), production rate and ash content of the polymer produced, determining whether each of the results is within desired ranges, storing and averaging recently obtained results in a database within a reaction rate controller program, and when one of the results is out of the desired range modifying at least one reaction parameter set-point such as monomer concentration, catalyst feed rate and reactor temperature to drive any out-of-range polymerization result(s) toward the desired range for that result.
    Type: Application
    Filed: August 20, 2020
    Publication date: March 18, 2021
    Inventors: Douglas J. Picou, Keith W. Trapp, Kelly M. Forcht, Asha C. Quant, Ariana L. Poindexter, Maxwell T. Mcgee