Lightweight nonwoven fire retardant barrier

Details Lightweight nonwoven fire retardant barrier Lightweight nonwoven fire retardant barrier

2004-11-02

2008-08-12

Ruddock, Ula C (Department: 1794)

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

Nonwoven fabric

Including strand or fiber material which is of specific...

C442S340000, C442S344000, C442S346000, C442S414000, C442S415000, C428S920000, C428S921000

Reexamination Certificate

active

07410920

ABSTRACT:
A non-woven flame retardant barrier can be prepared from low denier, charring fibers and substantially free of polymers made from halogenated monomers. The charring fibers can be modified viscose fibers, for example Visil®. The blend of low denier fibers can be, for example, a blend of 1.5 denier fibers and 3.0 denier fibers.

REFERENCES:
patent: 3870590 (1975-03-01), Hurwitz
patent: 5677028 (1997-10-01), Ravella
patent: 2004/0097156 (2004-05-01), McGuire et al.
patent: 2004/0106347 (2004-06-01), McGuire et al.
patent: 2004/0198125 (2004-10-01), Mater et al.
patent: 2005/0026528 (2005-02-01), Forsten et al.
patent: 2005/0210584 (2005-09-01), Lim et al.
patent: WO 03/023108 (2003-03-01), None

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