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US 12,398,064 B2Granted
Decorative glass article
AssigneeNippon Electric Glass Co., Ltd.
InventorsNaoki Fujita, Shinsaku Nishida
Life of this patent
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Abstract
A decorative glass article contains: in mol %, 10% to 70% of La2O3, 10% to 90% of Nb2O5, 0% to 40% of B2O3, and 0% to 50% of TiO2, wherein a refractive index is 2.0 or more and an Abbe number is 50 or less.
Claims12
A decorative glass article comprising:
- in mol %,
- 10% to 30% of La2O3,
- 50% to 85% of Nb2O5,
- 0.1% to 40% of B2O3, and
- 0% to 30% of TiO2,
- wherein a refractive index is 2.0 or more and an Abbe number is 50 or less.
3 more elements
Dependencies are inferred from the claim text.