Y10S 209/901
Froth flotation
Official title: Froth flotation; copper
Y10S209/901 (Froth flotation) appears on 5 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 5
- Published applications
- 0
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 17 Aug 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Monitoring and control of a froth flotation plant17 Aug 2004US 6,778,881 B1Outokumpu Oyj
- Method controlling a process by impedance analysis28 Apr 1992US 5,108,495 AOutokumpu Oy
- Process for increasing the selectivity of mineral flotation5 Apr 1988US 4,735,783 AFalconbridge Limited
- Collector compositions for froth flotation and process for making same18 Oct 1983US 4,410,439 A
- Process for producing alkyl xanthogen alkylformates19 Oct 1982US 4,354,980 A
No published applications in this class yet.
Most cited
By later US patents
- Process for increasing the selectivity of mineral flotation11US 4,735,783 AFalconbridge Limited · 1988
- Monitoring and control of a froth flotation plant7US 6,778,881 B1Outokumpu Oyj · 2004
- Collector compositions for froth flotation and process for making same6US 4,410,439 A1983
- Method controlling a process by impedance analysis5US 5,108,495 AOutokumpu Oy · 1992
- Process for producing alkyl xanthogen alkylformates2US 4,354,980 A1982