Patents by Inventor Albert Witarsa

Albert Witarsa 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).

  • 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
  • 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
  • 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
  • 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