Patent · US Active

Germanosilicate glasses containing zinc oxide

US11708293B2 · kind B2 · utility

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0References
21Claims
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Inventors

Key dates

Filing dateDec 9, 2019
Grant dateJul 25, 2023
Priority date—
Expiry dateFeb 3, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C2204/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A glass composition comprises a germanosilicate glass containing 5-35 mol % ZnO. The glass composition has a relatively high refractive index, good glass-forming ability, and UV-shielding properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.