GLASS Russian patent published in 2017 - IPC C03C3/76 C03C3/78 C03C4/00 

Abstract RU 2640220 C1

FIELD: chemistry.

SUBSTANCE: glass comprises, wt %: SiO2 45.0-53.0; K2O 8.0-12.0; CaO 5.0-6.0; SrO 4.0-6.0; TiO2 14.7-17.8; PbO 11.0-14.5; SeO2 1.0-1.5; CeO2 0.1-0.3.

EFFECT: increase in the refractive index.

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RU 2 640 220 C1

Authors

Shchepochkina Yuliya Alekseevna

Dates

2017-12-27Published

2016-10-31Filed