Laminated material of segregating membrane and segregating...

Details Laminated material of segregating membrane and segregating... Laminated material of segregating membrane and segregating...

2006-07-04

2006-07-04

Befumo, Jenna-Leigh (Department: 1771)

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

Nonwoven fabric

Autogenously bonded nonwoven fabric

C442S409000, C442S414000, C442S415000, C442S076000, C210S490000, C210S505000, C210S500380, C210S500410, C210S500420, C210S500430, C264S340000, C264S341000, C264S343000

Reexamination Certificate

active

07071130

ABSTRACT:
Segregating membrane supporting material is a three-dimensional assembly of fibers thermo-compressed into non-woven fabric, and the non-woven fabric fibers are joined together in sheet form. This segregating membrane supporting material is non-woven fabric, including at least 10 weight % polyacrylonitrile-based synthetic fibers, which is thermo-compressed to give an overall bulk density 40% to 75% of the density of the fibers which make up the non-woven fabric.

REFERENCES:
patent: 4961974 (1990-10-01), Jones
patent: 5318650 (1994-06-01), Kerawalle
patent: 5470485 (1995-11-01), Morweiser et al.
patent: 5951798 (1999-09-01), Schmidt et al.
patent: 6132868 (2000-10-01), Dean et al.
patent: 6258203 (2001-07-01), Rokman et al.
patent: 6372004 (2002-04-01), Schultink et al.

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