Vitreous compositions of the vitroceramic type, transparent to infrared
US7547652B2 · kind B2 · utility
7Cited by
8References
25Claims
0Family size
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Key dates
| Filing date | Jul 5, 2004 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Jul 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S501/904
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1, S+Se 40-85, Sb+As 4-40, MX 2-25, Ln 0-6, adjuncts 0-30, where M=at least one alkaline metal, selected from Rb, Cs, Na, K and Zn, X=at least one atom of chlorine, bromine or iodine, Ln=at least one rare earth and adjunct=at least one additive comprising at least one metal and/or at least one metal salt with the sum of all molar percentages of the components present in said composition being 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.