Inorganic polymer material with tantalic acid anhydride base, in particular with high refractive index, mechanically abrasionproof, method of manufacture, optical materials comprising such material
US6387517B1 · kind B1 · utility
15Cited by
18References
56Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1999 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Sep 14, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to an inorganic polymer material based on tantalum oxide, notably with a high refractive index and mechanically resistant to abrasion, its method of manufacture, in particular making use of precursors based on chlorinated derivatives of tantalum, and optical materials such as antiglare materials and reflecting materials manufactured from this material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.