Polymeric sulfide mineral depressants
US4744893A · kind A · utility
17Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1985 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Aug 28, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03D2203/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the froth flotation separation of value sulfide minerals from gangue iron sulfide minerals in which a novel terpolymer of copolymer of acylamide, acrylic acid and/or derivatives of acrylamide and acrylic acid is employed as a depressant for the gangue iron sulfide minerals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.