Patent · US Active

Phosphate glasses with high refractive index and low density

US11485676B2 · kind B2 · utility

0Cited by

21References

20Claims

0Family size

Assignee

CORNING INCORPORATED · US

Inventors

Bruce Gardiner Aitken · Corning, US
Jian Luo · Cupertino, US
Lina Ma · Corning, US
Alexander I Priven · Geoado-ri, KR

Key dates

Filing date	Jan 14, 2022
Grant date	Nov 1, 2022
Priority date	—
Expiry date	Jan 14, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C3/064
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Glass compositions include niobia (Nb2O5), phosphorus oxide (P2O5) and titania (TiO2) as essential components and may optionally include calcium oxide (CaO), potassium oxide (K2O), barium oxide (BaO), sodium oxide (Na2O), lithium oxide (Li2O), magnesia (MgO), zinc oxide (ZnO) and other components. The glasses may be characterized by high refractive index at 587.56 nm at comparably low density at room temperature.

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