Use of water soluble polymers in coal flotation circuits
US4141691A · kind A · utility
13Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1977 |
| Grant date | Feb 27, 1979 |
| Priority date | — |
| Expiry date | Dec 12, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Use of cationic water soluble polymers in coal flotation circuits to improve the recovery of clean coal and reduce the ash content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.