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Composite self-cohered web materials

  • US 7,604,668 B2
  • Filed: 07/29/2005
  • Issued: 10/20/2009
  • Est. Priority Date: 07/29/2005
  • Status: Active Grant
First Claim
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1. An implantable article comprising melt-formed continuous filaments intermingled to form a porous web wherein said filaments are self-cohered to each other at multiple contact points, wherein said filaments comprise at least one semi-crystalline polymeric component covalently bonded to or blended with at least one amorphous polymeric component, wherein the filaments possess partial to full polymeric component phase immiscibility when in a crystalline state, wherein said implantable article has a percent porosity greater than ninety in the absence of additional components;

  • and a non-bioabsorbable polymeric material attached to said porous web.

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