The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 2023
Filed:
Oct. 30, 2018
Applicants:
Fitesa Nonwoven, Inc., Simpsonville, SC (US);
Fitesa Germany Gmbh, Peine, DE;
Inventors:
Stephen O. Chester, Simpsonville, SC (US);
Albert Witarsa, Camas, WA (US);
Stefanie Streich, Edemissen, DE;
Helmut Hartl, Braunschweig, DE;
Harald Siebner, Braunschweig, DE;
Daniel Kong, Simpsonville, SC (US);
David D. Newkirk, Greer, SC (US);
Assignees:
Fitesa Nonwoven, Inc., Simpsonville, SC (US);
Fitesa Germany GmbH, Peine, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01); D04H 3/147 (2012.01); A61L 15/24 (2006.01); D04H 3/05 (2006.01); D04H 1/56 (2006.01); A61F 13/539 (2006.01); D04H 1/4291 (2012.01); D04H 1/544 (2012.01); D04H 3/007 (2012.01); D04H 5/06 (2006.01); D04H 1/541 (2012.01);
U.S. Cl.
CPC ...
D04H 3/147 (2013.01); A61F 13/15577 (2013.01); A61F 13/15658 (2013.01); A61F 13/15707 (2013.01); A61F 13/539 (2013.01); A61L 15/24 (2013.01); D04H 1/4291 (2013.01); D04H 1/544 (2013.01); D04H 1/5412 (2020.05); D04H 1/56 (2013.01); D04H 3/007 (2013.01); D04H 3/05 (2013.01); D04H 5/06 (2013.01); A61F 2013/15821 (2013.01); A61F 2013/15959 (2013.01); A61F 2013/5395 (2013.01); D10B 2321/021 (2013.01); D10B 2321/022 (2013.01); D10B 2401/06 (2013.01); D10B 2509/026 (2013.01); Y10T 442/641 (2015.04); Y10T 442/66 (2015.04); Y10T 442/681 (2015.04); Y10T 442/697 (2015.04);
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.