Colorless copper-containing material
AssigneeCorning Incorporated
InventorsJoydeep Lahiri, Jeffrey Glenn Lynn, Florence Christine Monique Verrier
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Abstract
Aspects of this disclosure pertain to a colorless material that includes a carrier, copper-containing particles, and either one or both of sodium thiocyanate and titanium dioxide. In one or more embodiments, the material exhibits, in the CIE L*a*b* system, an L* value in the range from about 91 to about 100, and a C* value of less than about 7, wherein C* equals √(a*2+b*2). In some embodiments, the material exhibits a greater than 3 log reduction in a concentration of Staphylococcus aureus, under the EPA Test Method for Efficacy of Copper Alloy as a Sanitizer testing conditions.
Claims20
A colorless material comprising
- a carrier;
- copper-containing particles;
- and
- titanium dioxide,
- wherein the copper-containing particles comprise cuprous oxide;
- and
- wherein the copper-containing particles are present in an amount of about 200 g/gallon of the carrier or less.
A colorless material comprising
- a carrier;
- copper-containing particles;
- and
- titanium dioxide,
- wherein the copper-containing particles comprise a copper-containing glass, and
- wherein the copper-containing glass comprises a cuprite phase comprising a plurality of Cu1+ ions, and comprising at least one of B2O3, P2O5 and R2O, wherein R is at least one of K, Na, Li, Rb, and Cs.
Dependencies are inferred from the claim text.