Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric
Reexamination Certificate
2005-08-23
2005-08-23
Caldarola, Glenn (Department: 1764)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Nonwoven fabric
C442S331000, C442S348000
Reexamination Certificate
active
06933252
ABSTRACT:
The present invention provides nonwoven glass composites formed from an essentially boron free glass wool and an essentially boron free chopped glass fiber, used as a reinforcing material. The nonwoven glass composites are suitable for air filtration apparatus and can be used in the semiconductor industry where the elimination of boron from clean rooms is of importance.
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Caldarola Glenn
Hollingsworth & Vose Company
Nutter & McClennen & Fish LLP
Wachtel Alexis
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