GLASS Russian patent published in 2007 - IPC C03C3/112 

FIELD: technology of silicates, glass industry.

SUBSTANCE: invention relates to glass compositions that can be used in making decorative-artistic articles, high-quality glassware. Proposed glass comprises the following components, wt.-%: SiO₂, 40.0-45.0; Al₂O₃, 2.0-3.0; ZnO, 8.0-10.0; CaO, 20.0-24.0; BaO, 8.0-10.0; CaF₂, 1.0-1.8; Se, 0.1-0.2; Sb₂O₃, 0.1-0.2; CeO₂, 0.8-1.2, and TiO₂, 10.0-14.0. Invention provides increasing value of glass refraction index.

EFFECT: improved and valuable property of glass.

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