Patents Assigned to Grupo Petromex, S.A. De C.V.
  • Production of non-solid-stated polyester particles having solid-stated properties
    Patent number: 7989577
    Abstract: A process for producing non-solid-stated polyester polymer particles having one or more properties similar to polyester polymer particles that have undergone solid-state processing.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: August 2, 2011
    Assignee: Grupo Petromex, S.A. De C.V.
    Inventors: Bruce Roger DeBruin, Tommy Ray Maddox, II, John Alan Wabshall, Jr., Steven Lee Stafford, Stephen Weinhold, Robert Noah Estep, Mary Therese Jernigan, Steven Paul Bellner, Alan George Wonders, John Guy Franjione