| 2025/0050,354 | METHOD FOR FROTH-CONTROLLED FLOTATION OF ARGILLACEOUS LEPIDOLITE ORE | Jul 24, 24 | Feb 13, 25 | Not available |
| 2024/0367,179 | COMPOSITIONS AND METHODS FOR SEPARATING METALS AND/OR MINERALS FROM A SOURCE MATERIAL USING FROTH FLOTATION | Apr 01, 23 | Nov 07, 24 | Not available |
| 2024/0359,190 | Methods for Pollucite Flotation, Plagioclase Flotation, and Quartz Purification | Apr 09, 24 | Oct 31, 24 | Not available |
| 2024/0286,929 | ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGED CATIONS FROM AQUEOUS OR AQUEOUS/OIL MIXED PHASE VIA INCREASED VISCOELASTICITY | Apr 18, 24 | Aug 29, 24 | Not available |
| 2024/0149,276 | APPLICATION OF SELENIUM-CONTAINING ORGANIC COMPOUNDS IN COPPER SULFIDE FLOTATION COLLECTORS | Feb 08, 23 | May 09, 24 | Not available |
| 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. |
| 2021/0220,841 | VINASSE TREATMENT PROCESS BY FLOTATION IN FLOW | Nov 19, 20 | Jul 22, 21 | Not available |
| 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 |
| 2020/0188,935 | INDIRECT FLOTATION PROCESS FOR MANUFACTURING WHITE PIGMENT CONTAINING PRODUCTS | Aug 08, 18 | Jun 18, 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.; |
| 2015/0174,588 | METHODS FOR FACILITATING MINERAL EXTRACTION | Dec 22, 14 | Jun 25, 15 | CHEMTREAT, INC. |
| 2015/0108,043 | METHOD FOR THE BENIFICIATION OF COAL | Dec 30, 14 | Apr 23, 15 | GEORGIA-PACIFIC CHEMICALS LLC |
| 2012/0168,387 | GLYCERIDES AND FATTY ACID MIXTURES AND METHODS OF USING SAME | Dec 30, 10 | Jul 05, 12 | ECOLAB USA INC. |
| 2011/0272,331 | PROCESS FOR THE SEPARATION OF MATERIALS FROM RECYCLED ELECTROCHEMICAL CELLS AND BATTERIES | May 10, 10 | Nov 10, 11 | RSR TECHNOLOGIES, INC. |