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US-2024016157-A1 · Jan 18, 2024 · US
Ceramic glaze having antimicrobial property
US2018317495A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2018317495-A1 |
| Application number | US-201816033684-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jul 12, 2018 |
| Priority date | Feb 20, 2007 |
| Publication date | Nov 8, 2018 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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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.
First claim
Opening claim text (preview).
What is claimed is: 1 . A method for manufacturing an antimicrobial ceramic glazing composition, comprising: adding, to the ceramic glaze base, an antimicrobial composition that is: a first antimicrobial metal compound consisting of Bi 2 O 3 , and a second antimicrobial metal compound consisting of ZnO, a third antimicrobial metal compound consisting of Ag 2 CO 3 , wherein the first antimicrobial metal compound is present in the glaze composition at a concentration of about one percent to about four percent, by weight of glaze composition; and wherein the second antimicrobial metal compound is present in the glaze composition at a concentration of from about one percent to about four percent, by weight of glaze composition; wherein the third antimicrobial metal compound is present in the glaze composition at a concentration of from about 0.5 percent to about four percent, by weight of glaze composition; milling the ceramic glaze base and added antimicrobial composition; rehydrating the milled ceramic glaze base; and optionally, remixing the rehydrated glaze base. 2 . The method according to claim 1 wherein the first antimicrobial metal compound, the second antimicrobial metal compound and the third antimicrobial metal compound each have a concentration of about two percent in the antimicrobial ceramic glazing composition.
Assignees
Inventors
Classifications
Bismuth; Compounds thereof · CPC title
Silver; Compounds thereof · CPC title
Glazes; Cold glazes · CPC title
Ceramic · CPC title
containing titanium compounds; containing zirconium compounds · CPC title
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Frequently asked questions
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- What does patent US2018317495A1 cover?
- 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.
- Who is the assignee on this patent?
- Microban Products
- What technology area does this patent fall under?
- Primary CPC classification A01N59/16. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Thu Nov 08 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).