Patents by Inventor E.J. Markel

E.J. Markel 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).

  • Methods for adjusting a polymer property
    Patent number: 11377460
    Abstract: Embodiments of the present disclosure are directed towards methods of adjusting melt index and/or density utilizing a metallocene complex represented by Formula (I): wherein each n-Pr is n-propyl, and each X is independently CH3, CI, Br, or F.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: July 5, 2022
    Assignee: Univation Technologies, LLC
    Inventors: John F. Szul, E. J. Markel, R. Eric Pequeno, Bruce J. Savatsky
  • METHODS FOR ADJUSTING A POLYMER PROPERTY
    Publication number: 20210047355
    Abstract: Embodiments of the present disclosure are directed towards methods of adjusting melt index and/or density utilizing a metallocene complex represented by Formula (I): wherein each n-Pr is n-propyl, and each X is independently CH3, CI, Br, or F.
    Type: Application
    Filed: March 20, 2019
    Publication date: February 18, 2021
    Applicant: Univation Technologies, LLC
    Inventors: John F. Szul, E.J. Markel, R. Eric Pequeno, Bruce J. Savatsky
  • CONTROLLING A POLYMERIZATION REACTION
    Publication number: 20210047442
    Abstract: Embodiments of the present disclosure are directed towards methods for controlling a polymerization reaction including determining an instantaneous density model for a gas-phase polymerization, and utilizing the instantaneous density model to monitor the polymerization reaction to determine if a threshold instantaneous density is reached.
    Type: Application
    Filed: March 20, 2019
    Publication date: February 18, 2021
    Applicant: Univation Technologies, LLC
    Inventors: John F. Szul, Daniel Thomas, E.J. Markel, R. Eric Pequeno, Bruce J. Savatsky