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Antimicrobial Silver Silica Composite

  • US 20120294919A1
  • Filed: 05/14/2012
  • Published: 11/22/2012
  • Est. Priority Date: 05/16/2011
  • Status: Abandoned Application
First Claim
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1. An antimicrobial metal composite, wherein the composite comprises an antimicrobial metal and a filler which composite is prepared comprising the steps of:

  • A) providing an antimicrobial metal or antimicrobial metal precursor;

    B) entraining said metal or metal precursor in a stream of gas for transport to a plasma torch;

    C) creating a plasma in said stream of gas vaporizing the antimicrobial metal or antimicrobial metal precursor;

    D) cooling said metal vapor in the presence of a fluidized gas carrying a filler powder, wherein said cooling results in nucleation of the antimicrobial metal vapor onto the filler to form the compositeorE) alternatively, the filler or a filler precursor is entrained with the antimicrobial metal or antimicrobial metal precursor in step B) vaporized in step C) and upon cooling the antimicrobial metal vapor and filler vapor condense to form the composite;

    andF) collecting the composite.

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