Process for producing anti-microbial effect with complex silver ions
First Claim
1. A method of producing an anti-microbial effect or in a an alcohol or water based electrolyte, comprising:
- (a) preparing a silver material such that it forms complex silver ions other than Ag+, Ag2+ or Ag3+, in an amount so as to produce an anti-microbial effect in contact with an alcohol or a water-based electrolyte that is greater than that produced by an equivalent amount of silver as Ag+ ; and
(b) bringing the silver material into contact with the alcohol or electrolyte to be treated so as to cause the release of the complex silver ions.
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Accused Products
Abstract
Production of an anti-microbial effect in an alcohol or water based electrolyte is achieved by preparing silver materials that form complex ions other than Ag+, Ag2+, or Ag3+, and which produce an anti-microbial effect that is greater than that produced by an equivalent amount of silver as Ag+. Exemplary complex silver ions produced include Ag(CN)2-, AgCN(aq)(ion pair), Ag(NH3)2+, AgCl2-, Ag(OH)2-, Ag2 (OH)3-, Ag3 (OH)4-, and Ag(S2 O3)23-. The silver materials may be prepared as powders or as solutions or suspensions containing the complex silver ions. The silver materials might also be prepared as coatings, foils, powders, or fine grain or nanocrystalline powders, which are formed with atomic disorder to provide sustained release of the complex silver ions.
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Citations
16 Claims
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1. A method of producing an anti-microbial effect or in a an alcohol or water based electrolyte, comprising:
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(a) preparing a silver material such that it forms complex silver ions other than Ag+, Ag2+ or Ag3+, in an amount so as to produce an anti-microbial effect in contact with an alcohol or a water-based electrolyte that is greater than that produced by an equivalent amount of silver as Ag+ ; and (b) bringing the silver material into contact with the alcohol or electrolyte to be treated so as to cause the release of the complex silver ions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification