Durable glass and glass enamel composition for glass coatings

Details Durable glass and glass enamel composition for glass coatings Durable glass and glass enamel composition for glass coatings

2005-07-28

2008-03-11

Green, Anthony J. (Department: 1793)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S014000, C501S015000, C501S017000, C501S021000, C501S063000

Reexamination Certificate

active

07341964

ABSTRACT:
The present invention provides glass compositions and glass coating systems for use on glass substrates in several industrial applications. It relates to a lead-free and cadmium-free glass enamel coating made primarily by utilizing at least one or more of lead-free and cadmium-free glass compositions comprising in weight percent from about 26% to about 63% SiO2, from about 2% to about 10.5% ZnO, from about 8% to about 20% B2O3, from about 0.1% to about 10% Bi2O3, up to about 12% Na2O, from about 0.1% to about 17% K2O, up to about 6% Li2O, from about 0.1% to about 22% of Ta2O5, from about 0.0% to about 22% of Nb2O5, up to about 8% from each of Al2O3, TiO2, ZrO2, BaO and SrO, from about 0.1% to about 7% Sb2O3, up to about 7% F2, up to about 4% from each of CaO, Mo2O3and MgO, and from about 0.1% to about 4% of one or more of La2O3, Nd2O3, Pr2O3and Ce2O3.

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