SILVER-BASED ANTIMICROBIAL COMPOSITION AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a silver-based antimicrobial composition capable of retaining silver having an antimicrobial action in high concentration on carrier, having heat resistance and also capable of being suitably utilized as crockery. SOLUTION: This silver-based antimicrobial composition...

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Bibliographische Detailangaben
Hauptverfasser:	NAGATA CHOJU, OSANAI HIDEYO
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FISHING FORESTRY HUMAN NECESSITIES HUNTING HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a silver-based antimicrobial composition capable of retaining silver having an antimicrobial action in high concentration on carrier, having heat resistance and also capable of being suitably utilized as crockery. SOLUTION: This silver-based antimicrobial composition is prepared by making calcium carbonate particles having a particle diameter of 1-50 μm bear silver through impregnating the particles into 0.01-10 mol/dm aqueous solution of silver nitrate to make the silver content in silver-borne calcium carbonate particles be 15-50 wt.%. In addition, combined antimicrobial particles are prepared by compounding the silver-borne calcium carbonate particles with inorganic particles having a particle diameter of 1-50 μm selected from at least one kind of a group composed of calcium phosphate, zirconium phosphate and calcium silicate, to make the silver content in the silver-borne calcium carbonate particles be 10-40 wt.%.