Process for the manufacture of articles of translucent alumina
US4031177A · kind A · utility
26Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1975 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Oct 17, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Final sintering of an alumina powder containing a small portion of magnesia, baryta, lanthana, yttria, or salts of magnesium, barium, lanthanum or yttrium, in a non-oxidizing carbon monoxide atmosphere at a temperature above 1700.degree. C produces a translucent alumina article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.