Patents by Inventor Marinus G. Nieuwenhuize

Marinus G. Nieuwenhuize 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).

  • Method and apparatus for determining melt elasticity
    Patent number: 8334362
    Abstract: An apparatus and method for determining the standardized melt elasticity (sME) force of a thermoplastic polymer needed to stretch a strand of melted polymer at a speed about thirty three times faster than the speed of strand formation from a body of melted polymer under constant stress from an unencumbered dead weighted piston.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: December 18, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Mark D. Alpeter, Marc A. Mangnus, Charles M. Cheatham, Marinus G. Nieuwenhuize, Jack M. Potter, Jr.
  • METHOD AND APPARATUS FOR DETERMINING MELT ELASTICITY
    Publication number: 20110103425
    Abstract: An apparatus and method for determining the standardized melt elasticity (sME) force of a thermoplastic polymer needed to stretch a strand of melted polymer at a speed about thirty three times faster than the speed of strand formation from a body of melted polymer under constant stress from an unencumbered dead weighted piston.
    Type: Application
    Filed: November 18, 2009
    Publication date: May 5, 2011
    Inventors: MARK D. ALPETER, MARC A. MANGNUS, CHARLES M. CHEATHAM, MARINUS G. NIEUWENHUIZE, JACK M. POTTER, JR.