Production of purified lead and antimony oxide
US4194904A · kind A · utility
3Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1978 |
| Grant date | Mar 25, 1980 |
| Priority date | — |
| Expiry date | Aug 4, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B30/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Purified lead and antimony oxide are produced from antimonial lead alloys by oxidation of the molten alloy to form purified metallic lead and a slag of lead oxides and antimony oxides, separation of the metal and slag, and subsequent partial reduction and fuming of the slag to produce pure antimony oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.