Patents by Inventor Eric J. Markei

Eric J. Markei 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 Controlling Start Up Conditions in Polymerization Processes
    Publication number: 20210130507
    Abstract: A method for controlling the start up conditions in a gas phase polymerization process is provided. An inventory can be calculated for each monomer, comonomer, and hydrogen sufficient to produce a polyethylene polymer having desired properties, such as, a certain melt index and/or density.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 6, 2021
    Inventors: Bruce J. Savatsky, Richard E. Pequeno, Michael E. Muhle, Robert O. Hagerty, Richard B. Pannell, Eric J. Markei, Mark W. Blood, Mark B. Davis