Multilayer nonwovens incorporating differential cross-sections

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7153793
APP PUB NO 20040147194A1
SERIAL NO

10725222

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Nonwoven fabric fabrics suitable for undergoing pleating to form filtration media are provided. The fabrics generally include at least three layers. The fibers forming the inner layer has a cross section providing greater stiffness, while the fibers forming the outer layers have a cross section providing greater durability. The resulting fabrics provide improved particulate holding and pressure drop characteristics at no sacrifice to durability.

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Patent Owner(s)

Patent OwnerAddress
FIBERWEB INC70 OLD HICKORY BOULEVARD OLD HICKORY TN 37138

International Classification(s)

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  • 2003 Application Filing Year
  • D04H Class
  • 231 Applications Filed
  • 68 Patents Issued To-Date
  • 29.44 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2003200420052006200720082009201020112012201320140255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baker, Jr John Frank Nashville, TN 3 81
Barnes, Harry Brentwood, TN 2 16
Willis, Edward Keith Madison, TN 7 59

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Patent Citation Ranking

  • 8 Citation Count
  • D04H Class
  • 1.16 % this patent is cited more than
  • 19 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1411812381201 - 1011 - 2021 - 3031 - 4041 - 5061 - 70100 +02.557.51012.51517.52022.52527.53032.53537.54042.545

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