DECORATIVE 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 building, and manufacturing articles for domestic-household designation effectively. Proposed glass comprises the following components, wt.-%: SiO₂, 60.0-68.0; Al₂O₃, 3.0-5.0; Fe₂O₃, 0.5-1.0; CaO, 4.0-6.0; MgO, 3.0-5.0; Na₂O, 3.0-4.0; P₂O₅, 5.0-10.0; fluoride ion (F'), 0.1-0.2; K₂O, 1.3-2.3; Mn₂O₃, 0.5-1.0; Cr₂O₃, 0.5-1.0; CoO, 0.5-1.0; CuO, 0.5-1.0, and ZrO₂, 5.0-8.0. Invention provides enhanced thermal stability and decreasing coefficient of thermal expanding of glass.

EFFECT: improved and valuable properties of glass.

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