Patents by Inventor Staci A. DeKunder

Staci A. DeKunder 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).

  • Films with superior impact resistance and improved catastrophic failure resistance under high strain rate
    Patent number: 7754341
    Abstract: Stretch films which exhibit good puncture and impact resistance while also exhibiting resistance to defect propagation are desired. The films of the present invention have an ultimate stretch of at least 200 percent, a dart impact strength of at least about 700 gms/mil and a catastrophic failure stretch of at least 95 percent of the elongation to break value (CF of 5 or less). The films preferably comprise at least 3 layers and preferably comprise at least 50 percent by weight of polyethylene polymers.
    Type: Grant
    Filed: November 29, 2004
    Date of Patent: July 13, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Wenbin Liang, David B. Ramsey, Staci A. DeKunder, Kalyan Sehanobish, Jesus Nieto, John L. Presa, Shaun E. Pirtle
  • Film layers made from ethylene polymer blends
    Patent number: 7659343
    Abstract: Film layers made from formulated ethylene polymer compositions are disclosed. Film layers made from such formulated compositions have surprisingly good heat seal properties, and an especially good reduction in heat seal initiation temperature. The ethylene polymer compositions have at least one homogeneously branched ethylene/alpha-olefin interpolymer and at least one homogeneously or heterogeneously branched ethylene polymer which has a lower melt index than the first mentioned component. The first homogeneously branched ethylene/alpha-olefin interpolymer has a melt index higher than that of the formulated composition.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: February 9, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Jeffrey J. Wooster, Thomas Oswald, Staci A. DeKunder, Jesus Nieto
  • Porous Films
    Publication number: 20080102233
    Abstract: The present invention relates to porous or breathable film compositions and processes for producing such compositions. The porous or breathable films preferably comprise a polyolefin. Said films are useful in many applications including bags for packaging cement.
    Type: Application
    Filed: May 20, 2004
    Publication date: May 1, 2008
    Inventors: Staci A. DeKunder, Varun Ratta, Kalyan Schanobish, James B. Crim
  • Film layers made from ethylene polymer blends
    Publication number: 20070093603
    Abstract: Film layers made from formulated ethylene polymer compositions are disclosed. Film layers made from such formulated compositions have surprisingly good heat seal properties, and an especially good reduction in heat seal initiation temperature. The ethylene polymer compositions have at least one homogeneously branched ethylene/alpha-olefin interpolymer and at least one homogeneously or heterogeneously branched ethylene polymer which has a lower melt index than the first mentioned component. The first homogeneously branched ethylene/alpha-olefin interpolymer has a melt index higher than that of the formulated composition.
    Type: Application
    Filed: June 2, 2004
    Publication date: April 26, 2007
    Inventors: Jeffrey Wooster, Thomas Oswald, Staci DeKunder, Jesus Nieto
  • Films with superior impact resistance and improved catastrophic failure resistance under high strain rate
    Publication number: 20070082191
    Abstract: Stretch films which exhibit good puncture and impact resistance while also exhibiting resistance to defect propagation are desired. The films of the present invention have an ultimate stretch of at least 200 percent, a dart impact strength of at least about 700 gms/mil and a catastrophic failure stretch of at least 95 percent of the elongation to break value (CF of 5 or less). The films preferably comprise at least 3 layers and preferably comprise at least 50 percent by weight of polyethylene polymers.
    Type: Application
    Filed: November 29, 2004
    Publication date: April 12, 2007
    Inventors: Wenbin Liang, David Ramsey, Staci DeKunder, Kalyan Sehanobish, Jesus Nieto, John Presa, Shaun Pirtle
  • Film layers made from polymer blends
    Publication number: 20060046048
    Abstract: Film layers made from formulated polymer compositions are disclosed. Film layers made from such formulated compositions have suprisingly good heat seal properties, and an especially good reduction in heat seal initiation temperature. The polymer compositions preferably have at least one homogeneously branched ethylene/alpha-olefin interpolymer and at least one heterogeneously branched ethylene polymer. The homogeneously branched ethylene/alpha-olefin interpolymer has a density lower than that of the formulated composition and of the heterogeneously branched ethylene polymer.
    Type: Application
    Filed: January 28, 2004
    Publication date: March 2, 2006
    Inventors: Mridula Kapur, Staci DeKunder