Patent · US Active

Extensible nonwoven fabric

US11591730B2 · kind B2 · utility

0Cited by

57References

16Claims

0Family size

Assignees

Fitesa Nonwoven, Inc. · US
Fitesa Germany GmbH · DE

Inventors

Stephen O. Chester · Simpsonville, US
Albert Witarsa · Camas, US
Stefanie Streich · Edemissen, DE
Helmut Hartl · Wien, AT
Harald Siebner · Braunschweig, DE
Daniel Kong · Simpsonville, US
David D. Newkirk · Greer, US

Key dates

Filing date	Oct 30, 2018
Grant date	Feb 28, 2023
Priority date	—
Expiry date	Dec 5, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/697
WIPO fieldMedical technology
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.