Process for producing anti-microbial effect with complex silver ions

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+. Exem...

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Bibliographische Detailangaben
Hauptverfasser:	BURRELL, ROBERT EDWARD, APTE, PRASAD SHRIKRISHNA, PRECHT, RODERICK JOHN, MORRIS, LARRY ROY, GILL, KASHMIR SINGH
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ALLOYS ANIMAL HUSBANDRY ARTIFICIAL STONE BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CASTING CEMENTS CERAMICS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DIFFUSION TREATMENT OF METALLIC MATERIAL DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FERROUS OR NON-FERROUS ALLOYS FISHING FORESTRY HUMAN NECESSITIES HUNTING HYGIENE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIME, MAGNESIA MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PERFORMING OPERATIONS PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS POWDER METALLURGY PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF REFRACTORIES SLAG SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TRAPPING TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	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(S2O3)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.