Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric – Hydroentangled nonwoven fabric
Reexamination Certificate
2006-03-21
2006-03-21
Torres-Velazquez, Norca L. (Department: 1771)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Nonwoven fabric
Hydroentangled nonwoven fabric
C442S057000, C442S356000, C442S357000, C442S387000, C428S359000, C428S365000
Reexamination Certificate
active
07015158
ABSTRACT:
A filter media formed in accordance with the present invention comprises hydroentangled, predominantly polyester staple length fibers having a basis weight of no more than about 12 oz/yd2. The filter media exhibits a Mullen burst strength of at least about 395 psi, and machine-direction and cross-direction shrinkage of less than about 3%, preferably less than about 2%. The filter media exhibits a machine-direction tensile strength of at least about 105 lb/in, and a cross-direction tensile strength of at least about 110 lb/in.
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Carlson Cheryl
de Leon Sergio
Hao Ping
Pearce Charles Eric
Putnam Michael
Polymer Group Inc.
Torres-Velazquez Norca L.
Wood Phillips Katz Clark & Mortimer
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