Polymer collectors for coal flotation
US4466887A · kind A · utility
9Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1983 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Jul 11, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of increasing the yield of coal undergoing a concentration treatment of froth flotation by using as the collector an alkyl phenol formaldehyde condensate product having 4-5 phenolic nuclei with the alkyl group of said phenol having between 4-15 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.