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Anti-microbial fiber and fibrous products

  • US 20050019568A1
  • Filed: 01/27/2004
  • Published: 01/27/2005
  • Est. Priority Date: 05/27/1999
  • Status: Abandoned Application
First Claim
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1. An anti-microbial fabric, comprising:

  • a multi-layer filter article comprising a plurality of layers wherein at least one layer is made at least in part of a multi-component fiber of thermoplastic polymers, said fiber including;

    a core of thermoplastic polymer being at least 20% and less than 70% of the fiber by weight, and a sheath being more than 30% of the fiber by weight and including (i) a thermoplastic polymer and (ii) an anti-microbial/anti-fungal inorganic additive being from 0.1% to 20% of the fiber by weight, wherein the thickness of the sheath in microns is approximately twice the nominal particle size in microns of the additive.

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