Lightweight high performance ceramic material
US7419925B1 · kind B1 · utility
5Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 2006 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Jan 5, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/77
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sintered ceramic composition includes at least 50 wt. % boron carbide and at least 0.01 wt. % of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy Ho, Er, Tm, Yb, and Lu, the sintered ceramic composition being characterized by a density of at least 90% of theoretical density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.