Agglomeration type coal recovery processes
US4274946A · kind A · utility
4Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1979 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | May 21, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Coal recovery processes of the agglomeration type in which solvent extraction with a fluorocarbon solvent is used to recover the agglomeration promoting additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.