Method of recovering metals from metal containing materials
US4349380A · kind A · utility
8Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1981 |
| Grant date | Sep 14, 1982 |
| Priority date | — |
| Expiry date | Apr 1, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Valuable metals are recovered from metal-containing materials, such as scrap or waste materials, in which the metal is present in chemically combined form, by a process which comprises contacting the metal-containing material with a reagent comprising the product of the reaction of an alkali metal or alkali metal hydroxide with a polyglycol or a polyglycol monoalkyl ether and oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.