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BASIC PROCESSES TO PREPARE ANTIMICROBIAL CONTACT LENSES

  • US 20080241225A1
  • Filed: 03/21/2008
  • Published: 10/02/2008
  • Est. Priority Date: 03/31/2007
  • Status: Abandoned Application
First Claim
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1. A method of preparing an ionic antimicrobial lens comprising a metal salt, wherein said method comprising the steps of(a) treating an cured ionic lens for a sufficient period of time, with a first solution wherein the pH of said first solution is equal to the pKa of the ionic monomers, that were cured to form said ionic lens;

  • (b) adding a metal agent to said first solution and said cured lens after step (a)(c) treating the lens of step (b) with a second solution comprising a salt precursor.

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