Red mud treatment
US4146573A · kind A · utility
5Cited by
1References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 1978 |
| Grant date | Mar 27, 1979 |
| Priority date | — |
| Expiry date | Aug 2, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Red mud slurries can be solidified by adding thereto certain fatty substituted quaternary ammonium salts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.