Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/06: Flotation Froth-flotation processes differential
B03D 1/06
Sub-Class
Stats
- 25 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 12 Total Patent Owners
- 148 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11203044 | Beneficiation of values from ores with a heap leach process | May 15, 18 | Dec 21, 21 | ANGLO AMERICAN SERVICES (UK) LTD. |
| 11180825 | Process for the depression of iron sulphides and other disposable elements in the concentration of mineral by flotation and electrochemical reactor | Aug 02, 17 | Nov 23, 21 | LAIN TECHNOLOGIES LTD |
| 11060165 | Separation of copper and molybdenum sulfides from pyrite using a sea water/desalinated water hybrid process | Oct 04, 17 | Jul 13, 21 | CiDRA Corporate Services, Inc. |
| 11007538 | Flotation reagents and flotation processes utilizing same | May 26, 16 | May 18, 21 | Cytec Technology Corp. |
| 10822673 | Arsenic removal from lead concentrate by ozone treatment and reverse flotation | Dec 17, 19 | Nov 03, 20 | American Air Liquide, Inc. |
| 10717090 | Depression of copper and iron sulfides in molybdenite flotation circuits | Apr 09, 15 | Jul 21, 20 | Tessenderlo Kerley, Inc. |
| 10654048 | Recovery of molybdenum using sodium metabisulfite and a thiocarbonate depressant | Mar 01, 18 | May 19, 20 | Chevron Phillips Chemical Company LP |
| 10434521 | Differential flotation of sulfide ores for recovering refractory gold | Oct 12, 16 | Oct 08, 19 | OUTOTEC (FINLAND) OY |
| 10384958 | Glycerides and fatty acid mixtures and methods of using same | Jan 30, 15 | Aug 20, 19 | ECOLAB USA INC. |
| 10369577 | Compositions and methods for selective separation of minerals from sulfide ores | Oct 06, 17 | Aug 06, 19 | CYTEC INDUSTRIES INC. |
| 10150839 | Amine-aldehyde resins and uses thereof in separation processes | Jun 23, 14 | Dec 11, 18 | Ingevity South Carolina, LLC |
| 9889452 | Methods for facilitating mineral extraction | Dec 22, 14 | Feb 13, 18 | CHEMTREAT, INC. |
| 9849465 | Mineral ore flotation using carboxymethyl cellulose with different characteristics in different flotation cells | Jan 29, 13 | Dec 26, 17 | CP KELCO OY |
| 9387490 | Method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrrhotite by exploiting the synergy of multiple depressants | Apr 12, 13 | Jul 12, 16 | VALE S.A. |
| 9016226 | Suspended marine platform | Mar 29, 12 | Apr 28, 15 | Not available |
| 8960444 | Method for separating arsenic mineral from copper-bearing material with high arsenic grade | Oct 27, 09 | Feb 24, 15 | SUMITOMO METAL MINING CO., LTD. |
| 8931642 | Activated flotation circuit for processing combined oxide and sulfide ores | Jan 13, 14 | Jan 13, 15 | Not available |
| 8915374 | Flotation aids and processes for using the same | Sep 19, 08 | Dec 23, 14 | THE UNIVERSITY OF MELBOURNE |
| 5925862 | Process for the recovery of cobalt from ores containing metal sulfides | Nov 21, 97 | Jul 20, 99 | THE DOE RUN RESOURCES CORPORATION |
| 5795466 | Process for improved separation of sulphide minerals or middlings associated with pyrrhotite | May 27, 97 | Aug 18, 98 | GLENCORE CANADA CORPORATION |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 32 Months (last 2 years Issuances)
- 32 Months (last 5 years Issuances)