Patents by Inventor Harald Siebner

Harald Siebner 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: 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
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20180148872
    Abstract: The present invention relates to a nonwoven fabric comprising a nonwoven web which is formed from a plurality of trilobal fibers, wherein the lobes of the trilobal fibers each have a ratio of length to width in the range of from 1.5-4. The present invention also relates to the use of the non-woven fabric in a closure system in an absorbent article or in a reinforcement layer of an absorbent article. In addition, the present invention provides an absorbent article comprising the nonwoven fabric.
    Type: Application
    Filed: May 4, 2016
    Publication date: May 31, 2018
    Inventors: Harald Siebner, Helmut Hartl, Elena Novarino
  • Publication number: 20180148871
    Abstract: The present invention relates to a nonwoven fabric comprising a nonwoven web which is formed from a plurality of trilobal fibers, wherein the lobes of the trilobal fibers each have a ratio of length to width in the range of from 1.5-4, the nonwoven web has a basis weight in the range of from 5-20 gsm, the nonwoven web has a side which is provided with a pattern of bonded areas which defines one or more non-bonded areas, and wherein the surface of the bonded areas is in the range of 10-32% of the total surface of the side and the surface of the non-bonded area(s) is in the range of from 68-90% of the total surface of the side. The invention further relates to the use of the present nonwoven fabric. In addition, the present invention also relates to an absorbent article comprising the present nonwoven fabric.
    Type: Application
    Filed: May 4, 2016
    Publication date: May 31, 2018
    Inventors: Harald Siebner, Helmut Hartl, Elena Novarino
  • Publication number: 20170216110
    Abstract: The present invention relates to an absorbing and distributing layer for a liquid to be absorbed, to a sheet material at least including a corresponding absorbing and distributing layer, to a hygiene article at least including a corresponding absorbing and distributing layer, to a method for producing a corresponding sheet material, and to the use of the corresponding absorbing and distributing layer.
    Type: Application
    Filed: July 29, 2015
    Publication date: August 3, 2017
    Inventors: Helmut Hartl, Elena Novarino, Harald Siebner
  • Publication number: 20160362825
    Abstract: The present invention relates to a non-woven fabric comprising a first non-woven web suitable for use in a hygiene absorbent article, which web comprises a side which is provided with a first pattern of individualised bonded areas which defines a second pattern of non-bonded areas which non-bonded areas have a hexagonal type of shape, and wherein the surface of the bonded areas is in the range of 10-30% of the total surface of the side and the surface of the non-bonded area is in the range of from 70-90% of the total surface of the side. The present invention further relates to an absorbent article comprising the present non-woven fabric, and a process for forming the non-woven fabric.
    Type: Application
    Filed: June 26, 2014
    Publication date: December 15, 2016
    Inventors: Elena Novarino, Harald Siebner, Helmut Hartl, Florian Teschner
  • 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
  • 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