Composite glass, especially for a vehicle
US-2024391215-A1 · Nov 28, 2024 · US
High refractive index glass
US8999871B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8999871-B2 |
| Application number | US-201213474820-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 18, 2012 |
| Priority date | May 25, 2011 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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Provided is a high refractive index glass, comprising, as a glass composition in terms of mass %, 0 to 10% of B 2 O 2 , 0.001 to 35% of SrO, 0.001 to 30% of ZrO 2 +TiO 2 , and 0 to 10% of La 2 O 2 +Nb 2 O 5 , having a mass ratio of BaO/SrO of 0 to 40 and a mass ratio of SiO 2 /SrO of 0.1 to 40, and having a refractive index nd of 1.55 to 2.3.
First claim
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The invention claimed is: 1. A high refractive index glass, comprising, as a glass composition in terms of mass %, 35 to 50% of SiO 2 , 0 to 1.5% of Li 2 O+Na 2 O+K 2 O, 0.1 to 35% of SrO, 0 to 35% of BaO, 0.001 to 25% of TiO 2 , 0 to 3% of B 2 O 3 , and 0 to 9% of La 2 O 3 +Nb 2 O 5 +Gd 2 O 3 , and having a refractive index nd of 1.55 to 2.3. 2. The high refractive index glass according to claim 1 , further comprising 0 to 3 mass % of MgO.…
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Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US8999871B2 cover?
- Provided is a high refractive index glass, comprising, as a glass composition in terms of mass %, 0 to 10% of B 2 O 2 , 0.001 to 35% of SrO, 0.001 to 30% of ZrO 2 +TiO 2 , and 0 to 10% of La 2 O 2 +Nb 2 O 5 , having a mass ratio of BaO/SrO of 0 to 40 and a mass ratio of SiO 2 /SrO of 0.1 to 40, and having a refractive index nd of 1.55 to 2.3.
- Who is the assignee on this patent?
- MUSHIAKE Atsushi, Murata Takashi, Yanase Tomoki, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C03C3/093. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).