Alumina particle, alumina particle manufacturing method, resin composition, and resin composition manufacturing method
US7476440B2 · kind B2 · utility
3Cited by
4References
13Claims
0Family size
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Key dates
| Filing date | Aug 10, 2005 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Nov 18, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An alumina particle (1) of the present invention has an alumina body with a short axis length (b) of 1 to 10 nm, a long axis length (a) of 20 to 400 nm and an aspect ratio (a/b) of 5 to 80. The alumina body is expressed by a Formula I, and n is not less than 0.Al2O3.nH2O Formula I
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.