Patent · US Active

Extensible nonwoven fabric

US9994982B2 · kind B2 · utility

1Cited by

54References

28Claims

0Family size

Assignees

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

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	Mar 12, 2014
Grant date	Jun 12, 2018
Priority date	—
Expiry date	Jan 3, 2036

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.