Colored glass compositions

Details Colored glass compositions Colored glass compositions

2006-01-12

2010-11-02

Lorengo, Jerry (Department: 1793)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S070000, C501S071000

Reexamination Certificate

active

07825051

ABSTRACT:
A glass composition is disclosed. The glass composition includes base glass composition including SiO2from 65 to 75 weight percent, Na2O from 10 to 20 weight percent, CaO from 5 to 15 weight percent, MgO from 0 to 5 weight percent, Al2O3from 0 to 5 weight percent, K2O from 0 to 5 weight percent, and BaO from 0 to 1 weight percent, and a colorant and property modifying portion including total iron from up to 0.02 weight percent, CeO2from 0.05 weight percent to 1.5 weight percent, CoO up to 50 PPM, Se up to 15 PPM, Cr2O3up to 500 PPM, CuO up to 0.5 weight percent, V2O5up to 0.3 weight percent, TiO2up to 1 weight percent, NiO up to 200 PPM, Er2O3up to 3 weight percent, MnO2up to 0.6 weight percent, and Nd2O3up to 2 weight percent, wherein the glass composition has a redox ratio up to 0.55.

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