Processes for recovering coal
US4186887A · kind A · utility
4Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1978 |
| Grant date | Feb 5, 1980 |
| Priority date | — |
| Expiry date | Aug 15, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D3/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods of separating solids from mixtures in which they are incorporated by milling the mixture in the presence of a fluorochlorocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.