Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation is resistant to penetration by solid...
Reexamination Certificate
2006-08-08
2010-06-01
Ruddock, Ula C (Department: 1786)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Coating or impregnation is resistant to penetration by solid...
C442S135000, C442S164000, C428S911000, C089S036010, C089S036020, C089S036050, C002S002500
Reexamination Certificate
active
07727914
ABSTRACT:
The invention relates to a flexible, penetration resistant article comprising a plurality of fibrous layers including continuous filament yarns, and having an areal density of less than about 4.4 kilograms per square meter. At least one of the plurality of fibrous layers has a fiber with a tenacity of at least about 30 grams per decitex and a continuous filament yarn having a linear density of less than about 1100 decitex.
REFERENCES:
patent: 4403012 (1983-09-01), Harpell et al.
patent: 7288493 (2007-10-01), Bhatnagar et al.
patent: 2004/0092183 (2004-05-01), Geva et al.
patent: WO 02/084202 (2002-10-01), None
patent: WO 2004/018754 (2004-03-01), None
E. I. du Pont de Nemours and Company
Ruddock Ula C
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