Patents by Inventor Mark Edwin O'Rosky

Mark Edwin O'Rosky 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: 6388027
    Abstract: The invention relates to a process for transitioning from polymerizing sticky polymer to polymerize another sticky polymer in gas phase fluidization bed production to decrease transition time, reduce off-grade material, and/or prevent operational difficulty.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: May 14, 2002
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Daniel Paul Zilker, Jr., William David Vacek, Mark Edwin O'Rosky, Fathi David Hussein