GLASS Russian patent published in 2007 - IPC C03C3/97 

FIELD: glass industry.

SUBSTANCE: invention relates to technology of silicates, namely, to glass compositions that can be used in manufacturing articles for domestic-household designation and dishware. Proposed glass comprises the following components, wt.-%: SiO₂, 70.0-75.0; CaO, 5.0-7.0; P₂O₅, 1.0-2.0; B₂O₃, 3.0-5.0; K₂O, 3.0-5.0; sulfide ions (S^2-), 0.1-0.3; MgO, 3.0-5.0; Sb₂O₃, 0.2-0.4; Fe₂O₃, 0.4-0.6, and TiO₂, 6.0-8.0. Invention provides enhancing thermal stability of glass.

EFFECT: improved and valuable property of glass.

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