Abstract: A method of producing antimicrobial or antibacterial glass particles, wherein known starting materials are fused, broken or powdered, fed to an extruder, fused therein with addition of defined dose of foaming agents, the foaming agents being introduced into the molten glass by the building pressure, the molten glass being then foamed to give a closed-pore foam on a subsequent pressure reduction to increase surface area and the foam subsequently subjected to a comminution process. The glass particles generated in the comminution process become antimicrobial or antibacterial during an ion exchange or the antimicrobial or antibacterial properties thereof are increased as a result of the ion exchange.

Abstract: A method for manufacturing anti-microbial glass particles where anti-microbial glasses or known substances for anti-microbial glasses are melted, broken or pulverized and put into an extruder in this form. In addition, heavy metals or other anti-microbial effective substances are put into the extruder, where they are melted or smelted and mixed with the anti-microbial glass and, after cooling, the additionally added heavy metals or other anti-microbial effective substances are present in the anti-microbial glass in crystalline or in the original condition, whereby they are enveloped and evenly distributed.