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Porous PTFE materials and articles produced therefrom

  • US 20070012624A1
  • Filed: 01/18/2006
  • Published: 01/18/2007
  • Est. Priority Date: 07/18/2005
  • Status: Active Grant
First Claim
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1. An article comprising a porous PTFE membrane having a Gurley versus bubble point equal to or below the line defined by the equation log (Gurley)=5.13×

  • 10

    3
    (Bubble Point)−

    1.26 and a surface area of at least 20 m2/g.

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