Ceramic with improved high temperature electrical properties for use as a spark plug insulator
US7858547B2 · kind B2 · utility
3Cited by
32References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Oct 27, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An insulator including alumina in an amount between about 90 and about 99% by weight and an oxide mixture or glass mixture including Boron Oxide, Phosphorus Oxide, or both Boron and Phosphorus Oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.