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β-quartz glass-ceramics with a controlled transmission curve and a high iron oxide content; articles comprising said glass-ceramics, and precursor glasses
US9051209B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9051209-B2 |
| Application number | US-201314084826-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 20, 2013 |
| Priority date | Nov 22, 2012 |
| Publication date | Jun 9, 2015 |
| Grant date | Jun 9, 2015 |
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Abstract
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β-quartz lithium aluminosilicate (LAS) glass-ceramics contain neither arsenic oxide nor antimony oxide, are fined with tin oxide and include vanadium oxide, chromium oxide and a high iron oxide content (>950 ppm), and have a controlled transmission curve. Articles such as cook-tops can be made from such glass-ceramics.
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We claim: 1. A glass-ceramic of the lithium aluminosilicate type, containing a β-quartz solid solution as the predominant crystalline phase and having for a thickness of 4 mm: an integrated optical transmission, T v , in the visible range, of 0.8 to 2%, an optical transmission at 625 nm of more than 3.5%, an optical transmission at 950 nm between 40 and 70%, and an optical transmission at 1,600 nm between 50 and 75%, wherein its composition, expressed as percentage…
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Chemistry & Metallurgy · mapped topic
- C03C14/006Primary
Chemistry & Metallurgy · mapped topic
- C03C3/085Primary
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US9051209B2 cover?
- β-quartz lithium aluminosilicate (LAS) glass-ceramics contain neither arsenic oxide nor antimony oxide, are fined with tin oxide and include vanadium oxide, chromium oxide and a high iron oxide content (>950 ppm), and have a controlled transmission curve. Articles such as cook-tops can be made from such glass-ceramics.
- Who is the assignee on this patent?
- Eurokera, Corning Inc
- What technology area does this patent fall under?
- Primary CPC classification C03C14/006. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 09 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).