GLASS Russian patent published in 2008 - IPC C03C3/93 

FIELD: technology of silicates, glass industry.

SUBSTANCE: invention relates to glass compositions that can be used for making of articles of decorative-artistic designation and high quality dishware mainly. Proposed glass comprises the following components, wt.-%: SiO₂, 50.0-55.0; Al₂O₃, 5.0-10.0; B₂O₃, 5.0-10.0; CaO, 5.0-10.0; MgO, 3.0-5.0; BaO, 5.0-10.0; ZnO, 3.8-4.8; TiO₂, 6.0-12.0, and WO₃, 0.1-0.2. Invention provides enhancing the light refraction index of glass.

EFFECT: improved and valuable property of glass.

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