Chromia spray powders and a process for making the same
US6774076B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Sep 3, 2002 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | Sep 3, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/96
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Particles particularly useful for thermal spraying a wear resistant coating on to a substrate comprise an essentially single phase crystalline structure comprising from 45 to 100% by weight of chromia and from 0 to 55% by weight of alpha alumina.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.