Process for recovery of fine coal
US4199065A · kind A · utility
7Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Apr 17, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Fine coal is recovered with reduced ash content when a bis(alkyl)ester of a sulfosuccinic acid salt is employed as conditioning agent in froth flotation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.