Red and red-shade violet inorganic oxide materials containing cobalt
US10570288B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Oct 21, 2016 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Jan 13, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/9661
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The current technology is directed to red and red-shade violet pigments with an hexagonal ABO3 structure of the form Y(In, M)O3 in which M is substituted for In in the trigonal bipyramidal B site of the ABO3 structure, and where M is a mixture containing Co2+ and charge compensating ions, or M is a mixture containing Co2+ and charge compensating ions, as well as other aliovalent and isovalent ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.