Extensible spunbonded non-woven fabrics

Details Extensible spunbonded non-woven fabrics Extensible spunbonded non-woven fabrics

2009-06-15

2011-11-08

Salvatore, Lynda (Department: 1786)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Spun-bonded nonwoven fabric

C442S361000, C264S175000

Reexamination Certificate

active

08053380

ABSTRACT:
Impact copolymers, comprising an in-reactor blend of homopolymer polypropylene and an ethylene-propylene rubber, can be processed into spunbond non-woven fabrics. These fabrics have been shown to have increased ultimate extension without reduction in the ultimate tensile strength, as compared to conventional homopolymer polypropylene derived spunbond non-wovens.

REFERENCES:
patent: 5011891 (1991-04-01), Spenadel et al.
patent: 6992146 (2006-01-01), McLoughlin et al.
patent: 2005/0075458 (2005-04-01), Salek et al.
patent: 2005/0165173 (2005-07-01), Autran et al.
patent: 2006/0172647 (2006-08-01), Mehta et al.
patent: 2006/0247332 (2006-11-01), Coffey et al.
ISA/US, International Search Report for PCT/US2009/047377, Issued Jul. 27, 2009, Alexandria, VA.

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