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US 10,856,549 B2Granted
Ceramic glaze having antimicrobial property
AssigneeMicroban Products Company
InventorAlvin Lamar Campbell, Jr.
Life of this patent
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Abstract
An antimicrobial ceramic glazing composition contains one or more antimicrobial agents disposed therein. Methods for making and using the glazing composition are disclosed, as well as substrates having a fired antimicrobial glaze thereon. The antimicrobial agents comprise metallic oxides, with a subset of the disclosed combinations exhibiting synergistic effect in fired glazes.
Claims6
A method for manufacturing an antimicrobial ceramic glazing composition, comprising:
- adding, to a ceramic glaze base, an antimicrobial composition comprising:
- a first antimicrobial agent consisting of Ag2CO3, and
- a second antimicrobial agent that is one of Bi2O3, CuO, or ZnO,
- wherein the first antimicrobial agent is present in the glaze composition at a concentration of about 0.5 to about four percent, by weight of glaze composition, and wherein the second antimicrobial agent is present in the glaze composition at a concentration of from about one percent to about four percent, by weight of glaze composition;
- and
- milling the ceramic glaze base and added antimicrobial composition;
- hydrating the milled ceramic glaze base;
- and
- optionally, remixing the hydrated glaze base.
6 more elements
Dependencies are inferred from the claim text.