Embedded pigments for ceramic products and oxides in the form of nanometric particles
US7141111B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Mar 6, 2003 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Mar 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Described herein are embedded pigments consisting of a labile chromophore englobed in a coating of refractory and transparent material formed by nanomolecular particles, also described are oxides of refractory and transparent materials in the form of nanoparticles and their use for coating labile chromophores or ceramic surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.