Y10S 209/902
Froth flotation
Official title: Froth flotation; phosphate
Y10S209/902 (Froth flotation) appears on 11 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 11
- Published applications
- 0
- Assignees
- 8
- Inventors
- 19
- Latest grant
- 17 Aug 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 2 | 0 |
| 2000 | 1 | 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
- Process for recovering mineral particles, metal particles or small precious stones from an aqueous slim associated with an ore body or mineral deposit or processing thereof22 Feb 2000US 6,026,965 AAteba Mines Inc.
- Machine for sorting objects such as postal envelopes7 Dec 1999US 5,998,753 ALa Poste (Exploitant Public)
- Recovering precious metals and small precious stones from clay suspensions13 Apr 1999US 5,893,463 AAteba Mines Inc.
- Method controlling a process by impedance analysis28 Apr 1992US 5,108,495 AOutokumpu Oy
No published applications in this class yet.
Most cited
By later US patents
- Machine for sorting objects such as postal envelopes23US 5,998,753 ALa Poste (Exploitant Public) · 1999
- Flotation of phosphate ores containing dolomite16US 4,364,824 AInternational Minerals & Chemical Corp. · 1982
- Method of beneficiating phosphate ores13US 4,189,103 AInternational Minerals & Chemical Corp. · 1980
- Method of beneficiating phosphate ores containing dolomite11US 4,372,843 AInternational Minerals & Chemical Corp. · 1983
- Flotation process for improving recovery of phosphates from ores7US 4,227,996 ACelanese Corporation · 1980