Lightweight spun-bonded nonwoven fabric having special...

Details Lightweight spun-bonded nonwoven fabric having special... Lightweight spun-bonded nonwoven fabric having special...

2011-04-05

2011-04-05

Chriss, Jennifer A (Department: 1786)

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

Nonwoven fabric

Spun-bonded nonwoven fabric

C442S417000, C442S381000, C442S382000, C442S340000, C442S341000

Reexamination Certificate

active

07919420

ABSTRACT:
The invention relates to a spun-bonded nonwoven fabric made of polyolefin filaments having a titer<1.6 dtex, the spun-bonded nonwoven fabric having a basis weight≦18 g/m2, a waterproofness of <15 cm measured as a water column, and an air permeability of at least 230 m3/(m2·min), wherein the product of the air permeability and the basis weight is ≦5000 g/(m·min).

REFERENCES:
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patent: 2003/0124941 (2003-07-01), Hwo et al.
patent: 2004/0116028 (2004-06-01), Bryner
patent: 2006/0084346 (2006-04-01), Rollin, Jr.
patent: 1 657 334 (2006-05-01), None
patent: WO 94/28219 (1994-12-01), None
patent: WO 00/44411 (2000-08-01), None
patent: WO 02/16681 (2002-02-01), None
International Search Report for PCT/EP2007/008181, filed Mar. 27, 2008.
International Preliminary Report on Patentability and Written Opinion for PCT/EP2007/008181, filed Sep. 20, 2007.

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