Patents by Inventor Valerie H. Markham

Valerie H. Markham 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).

  • Deactivation methods for active components from gas phase polyolefin polymerization processes
    Patent number: 11591417
    Abstract: Provided herein are methods and systems for at least partially deactivating at least one component of a reactor effluent from gas phase polyolefin polymerization processes utilizing at least one glycol.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: February 28, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Chi-I Kuo, Bruce J. Savatsky, Micah A. McClure, Kevin M. Ferreira, Charles J. Harlan, Valerie H. Markham
  • Deactivation Methods for Active Components from Gas Phase Polyolefin Polymerization Processes
    Publication number: 20200270375
    Abstract: Provided herein are methods and systems for at least partially deactivating at least one component of a reactor effluent from gas phase polyolefin polymerization processes utilizing at least one glycol.
    Type: Application
    Filed: October 26, 2018
    Publication date: August 27, 2020
    Inventors: Chi-I Kuo, Bruce J. Savatsky, Micah A. McClure, Kevin M. Ferreira, Charles J. Harlan, Valerie H. Markham