Description
Class B03D : FLOTATION; DIFFERENTIAL SEDIMENTATION
Subclass 1/004: Flotation Flotation agents Organic compounds
B03D 1/004
Sub-Class
Stats
- 35 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 9 Total Patent Owners
- 115 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11718540 | Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity | Aug 28, 19 | Aug 08, 23 | Ecolab USA Inc. |
| 11684932 | Vinasse treatment process by flotation in flow | Nov 19, 20 | Jun 27, 23 | DT ENGENHARIA DE EMPREENDIMENTOS LTDA |
| 11654443 | Mineral processing | Mar 30, 20 | May 23, 23 | CiDRA Minerals Processing Inc. |
| 11517918 | Utilizing engineered media for recovery of minerals in tailings stream at the end of a flotation separation process | Nov 16, 16 | Dec 06, 22 | CiDRA CORPORATE SERVICES LLC |
| 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. |
| 11046639 | Mining collectors | Oct 10, 19 | Jun 29, 21 | Not available |
| 11014096 | Indirect flotation process for manufacturing white pigment containing products | Aug 08, 18 | May 25, 21 | Omya International AG |
| 11014097 | Functionalized silicones for froth flotation | Dec 13, 17 | May 25, 21 | ECOLAB USA INC. |
| 10981181 | Mineral beneficiation utilizing engineered materials for mineral separation and coarse particle recovery | Oct 17, 16 | Apr 20, 21 | CiDRA Corporate Services, Inc. |
| 10835905 | Recovery media for mineral processing | Jan 09, 17 | Nov 17, 20 | CiDRA Corporate Services, Inc. |
| 10815337 | Ether amine compounds and use thereof as flotation collector | Sep 09, 16 | Oct 27, 20 | Arkema France |
| 10773973 | Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity | Mar 08, 13 | Sep 15, 20 | Ecolab USA Inc. |
| 10722904 | Process to treat magnetite ore and collector composition | Jul 05, 17 | Jul 28, 20 | Nouryon Chemicals International B.V. |
| 10603676 | Mineral processing | Sep 13, 12 | Mar 31, 20 | CiDRA Minerals Processing Inc. |
| 10442754 | Mining collectors | Apr 09, 18 | Oct 15, 19 | Not available |
| 10435308 | Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity | Mar 08, 13 | Oct 08, 19 | Ecolab USA Inc. |
| 10427166 | Transportable modular system for enhanced mineral recovery, from tailings line and deposits | Dec 17, 15 | Oct 01, 19 | CiDRA Corporate Services, Inc. |
| 10413914 | Enrichment of metal sulfide ores by oxidant assisted froth flotation | Jan 25, 13 | Sep 17, 19 | Evonik Degussa GmbH |
| 10307770 | Method for the benificiation of coal | Dec 30, 14 | Jun 04, 19 | Ingevity South Carolina, LLC |
| 10201816 | Methods, devices, systems and processes for upgrading iron oxide concentrates using reverse flotation of silica at a natural pH | Nov 02, 16 | Feb 12, 19 | MagGlobal, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0137,245 | NEW FROTHERS FOR MINERALS RECOVERY | Feb 12, 21 | May 04, 23 | Solvay SA |
| 2021/0252,525 | Use Of Polyols For Improving A Process For Reverse Froth Flotation Of Iron Ore | Jun 05, 19 | Aug 19, 21 | Clariant International Ltd. |
| 2021/0121,894 | COLLECTOR COMPOSITION CONTAINING BIODEGRADABLE COMPOUND AND PROCESS FOR TREATING SILICEOUS ORES | Jul 01, 19 | Apr 29, 21 | Nouryon Chemicals International B.V. |
| 2021/0017,046 | ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGED CATIONS FROM AQUEOUS OR AQUEOUS/OIL MIXED PHASE VIA INCREASED VISCOELASTICITY | Aug 04, 20 | Jan 21, 21 | Not available |
| 2020/0391,223 | Cellulose-based derivatives as chemical aids for mineral enrichment in froth flotation | Jan 13, 19 | Dec 17, 20 | Not available |
| 2019/0314,828 | PROCESS TO TREAT MAGNETITE ORE AND COLLECTOR COMPOSITION | Jul 05, 17 | Oct 17, 19 | Not available |
| 2019/0240,677 | PROCESS TO TREAT MAGNETITE ORE AND COLLECTOR COMPOSITION | Jul 05, 17 | Aug 08, 19 | Not available |
| 2018/0296,946 | System and Method for Foam Fractionation | Apr 18, 18 | Oct 18, 18 | Not available |
| 2018/0200,731 | Foam Prevention In The Reverse Flotation Process For Purifying Calcium Carbonate | Mar 16, 18 | Jul 19, 18 | CLARIANT INTERNATIONAL LTD; Clariant S.A.; |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)