Patents by Inventor David D. Newkirk

David D. Newkirk 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).

  • NONWOVEN FABRICS COMPRISING POLYLACTIC ACID HAVING IMPROVED STRENGTH AND TOUGHNESS
    Publication number: 20230279591
    Abstract: Nonwoven fabrics having a plurality of fibers that are bonded to each other to form a coherent web, wherein the fibers comprise a blend of a polylactic acid (PLA) and at least one secondary alkane sulfonate are provided. The nonwoven fabrics exhibit increased tensile strengths, elongation and toughness.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Applicants: Fitesa Germany GmbH, Fitesa Simpsonville, Inc.
    Inventors: Elena Novarino, Gary Drews, Jason Hamilton, Stephen Chester, Alfredo Izzo, David D. Newkirk
  • Nonwoven fabrics comprising polylactic acid having improved strength and toughness
    Patent number: 11674248
    Abstract: Nonwoven fabrics having a plurality of fibers that are bonded to each other to form a coherent web, wherein the fibers comprise a blend of a polylactic acid (PLA) and at least one secondary alkane sulfonate are provided. The nonwoven fabrics exhibit increased tensile strengths, elongation and toughness.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: June 13, 2023
    Assignees: Fitesa Germany GmbH, Fitesa Simpsonville, Inc.
    Inventors: Elena Novarino, Gary Drews, Jason Hamilton, Stephen Chester, Alfredo Izzo, David D. Newkirk
  • Extensible nonwoven fabric
    Patent number: 11591730
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: February 28, 2023
    Assignees: Fitesa Nonwoven, Inc., Fitesa Germany GmbH
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • Nonwoven fabrics comprising polylactic acid having improved strength and toughness
    Patent number: 11441251
    Abstract: Nonwoven fabrics having a plurality of fibers that are bonded to each other to form a coherent web, wherein the fibers comprise a blend of a polylactic acid (PLA) and at least one secondary alkane sulfonate are provided. The nonwoven fabrics exhibit increased tensile strengths, elongation and toughness.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: September 13, 2022
    Assignees: Fitesa Germany GmbH, Fitesa Simpsonville, Inc.
    Inventors: Elena Novarino, Gary Drews, Jason Hamilton, Stephen Chester, Alfredo Izzo, David D. Newkirk
  • NONWOVEN FABRICS COMPRISING POLYLACTIC ACID HAVING IMPROVED STRENGTH AND TOUGHNESS
    Publication number: 20220136156
    Abstract: Nonwoven fabrics having a plurality of fibers that are bonded to each other to form a coherent web, wherein the fibers comprise a blend of a polylactic acid (PLA) and at least one secondary alkane sulfonate are provided. The nonwoven fabrics exhibit increased tensile strengths, elongation and toughness.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Applicants: Fitesa Germany GmbH, Fitesa Simpsonville, Inc.
    Inventors: Elena Novarino, Gary Drews, Jason Hamilton, Stephen Chester, Alfredo Izzo, David D. Newkirk
  • Meltblown nonwoven web comprising reclaimed polypropylene component and reclaimed sustainable polymer component and method of making same
    Patent number: 10240268
    Abstract: Process of preparing meltblown fibers that are reclaimed from a starting material of a polypropylene component and a sustainable polymer component is provided. In one aspect, the method includes blending starting fibers of a polypropylene component and a sustainable polymer component under heat to form a molten stream, and then vis-breaking the components to obtain a polymeric blend that is suitable for use in meltblowing applications. The molten stream of the vis-broken polymer components are extruded through a meltblowing die to form a stream of meltblown fibers that is then collected on a collection surface to form a coherent meltblown web. The starting material may be bicomponent filaments having a sheath-core configuration in which the polypropylene component is oriented in the sheath and the sustainable polymer component is oriented in the core of the filaments. The invention is also directed to meltblown fibers and webs prepared from the process.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: March 26, 2019
    Assignees: FITESA SIMPSONVILLE, INC., FITESA GERMANY GMBH
    Inventors: Elena Novarino, David D. Newkirk, Helmut Hartl, Stefanie Streich
  • EXTENSIBLE NONWOVEN FABRIC
    Publication number: 20190062970
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Application
    Filed: October 30, 2018
    Publication date: February 28, 2019
    Applicants: Fitesa Nonwoven, Inc., Fitesa Germany GmbH
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • Extensible nonwoven fabric
    Patent number: 10156031
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: December 18, 2018
    Assignees: FITESA GERMANY GMBH, FITESA NONWOVEN, INC.
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • EXTENSIBLE NONWOVEN FABRIC
    Publication number: 20180327948
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Application
    Filed: July 18, 2018
    Publication date: November 15, 2018
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • Extensible nonwoven fabric
    Patent number: 9994982
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: June 12, 2018
    Assignees: FITESA GERMANY GMBH, FITESA NONWOVEN, INC.
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • NONWOVEN FABRICS COMPRISING POLYLACTIC ACID HAVING IMPROVED STRENGTH AND TOUGHNESS
    Publication number: 20180051404
    Abstract: Nonwoven fabrics having a plurality of fibers that are bonded to each other to form a coherent web, wherein the fibers comprise a blend of a polylactic acid (PLA) and at least one secondary alkane sulfonate are provided. The nonwoven fabrics exhibit increased tensile strengths, elongation and toughness.
    Type: Application
    Filed: August 14, 2017
    Publication date: February 22, 2018
    Inventors: Elena Novarino, Gary Drews, Jason Hamilton, Stephen Chester, Alfredo Izzo, David D. Newkirk
  • Laminates with bonded webs
    Patent number: 9636890
    Abstract: Laminates with a layer of bonded nonwoven material attached to a layer of film.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: May 2, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Jonathan Aaron Lu, Robert Haines Turner, Lisa Marie Reynolds, Thomas Burkhart, Helmut Hartl, Deying Kong, David D. Newkirk
  • MELTBLOWN NONWOVEN WEB COMPRISING RECLAIMED POLYPROPYLENE COMPONENT AND RECLAIMED SUSTAINABLE POLYMER COMPONENT AND METHOD OF MAKING SAME
    Publication number: 20160333509
    Abstract: Process of preparing meltblown fibers that are reclaimed from a starting material of a polypropylene component and a sustainable polymer component is provided. In one aspect, the method includes blending starting fibers of a polypropylene component and a sustainable polymer component under heat to form a molten stream, and then vis-breaking the components to obtain a polymeric blend that is suitable for use in meltblowing applications. The molten stream of the vis-broken polymer components are extruded through a meltblowing die to form a stream of meltblown fibers that is then collected on a collection surface to form a coherent meltblown web. The starting material may be bicomponent filaments having a sheath-core configuration in which the polypropylene component is oriented in the sheath and the sustainable polymer component is oriented in the core of the filaments. The invention is also directed to meltblown fibers and webs prepared from the process.
    Type: Application
    Filed: January 23, 2015
    Publication date: November 17, 2016
    Inventors: Elena Novarino, David D. Newkirk, Helmut Hartl, Stefanie Streich
  • Extensible Nonwoven Fabric
    Publication number: 20150322605
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • Treated laminates
    Patent number: 9139939
    Abstract: Methods of treating laminates, treated laminates, and articles with treated laminates.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: September 22, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Robert Haines Turner, Jonathan Aaron Lu, Antonius Lambertus De Beer, Lisa Marie Reynolds, Randall Allen Myers, Walter Douglas Daniels, David D. Newkirk
  • Extensible Nonwoven Fabric
    Publication number: 20140276517
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • Laminates with Bonded Webs
    Publication number: 20140234604
    Abstract: Laminates with a layer of bonded nonwoven material attached to a layer of film.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 21, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Jonathan Aaron Lu, Robert Haines Turner, Lisa Marie Reynolds, Thomas Burkhart, Helmut Hartl, Deying Kong, David D. Newkirk
  • Laminates with bonded webs
    Patent number: 8728051
    Abstract: Laminates with a layer of bonded nonwoven material attached to a layer of film.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: May 20, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Jonathan Aaron Lu, Robert Haines Turner, Lisa Marie Reynolds, Thomas Burkhart, Helmut Hartl, Deying Kong, David D. Newkirk
  • Laminates with Bonded Webs
    Publication number: 20110282313
    Abstract: Laminates with a layer of bonded nonwoven material attached to a layer of film.
    Type: Application
    Filed: January 12, 2011
    Publication date: November 17, 2011
    Inventors: Jonathan Aaron Lu, Robert Haines Turner, Lisa Marie Reynolds, Thomas Burkhart, Helmut Hartl, Deying Kong, David D. Newkirk
  • Treated Laminates
    Publication number: 20110282312
    Abstract: Methods of treating laminates, treated laminates, and articles with treated laminates.
    Type: Application
    Filed: January 12, 2011
    Publication date: November 17, 2011
    Inventors: Robert Haines Turner, Jonathan Aaron Lu, Antonius Lambertus De Beer, Lisa Marie Reynolds, Randall Allen Myers, Walter Douglas Daniels, David D. Newkirk