| 2024/0149,276 | APPLICATION OF SELENIUM-CONTAINING ORGANIC COMPOUNDS IN COPPER SULFIDE FLOTATION COLLECTORS | Feb 08, 23 | May 09, 24 | Not available |
| 2022/0040,707 | COMPOUNDS, METHODS, AND SYSTEMS FOR BENEFICATION OF RARE EARTH ELEMENTS BY FLOTATION AND GRAVITY CONCENTRATION | Aug 02, 21 | Feb 10, 22 | Not available |
| 2022/0040,708 | FLOTATION OILS, PROCESSES AND USES THEREOF | Feb 04, 20 | Feb 10, 22 | ENVIROLLEA INC. |
| 2021/0323,000 | FLOAT SORTING DEVICE FOR SELECTIVE SEPARATION OF NON-METALLIC MINERALS | Mar 29, 21 | Oct 21, 21 | Not available |
| 2021/0323,001 | COLD WATER MINERAL FLOTATION COLLECTOR BLEND | Apr 16, 21 | Oct 21, 21 | Canada Fluorspar (NL), Inc. |
| 2020/0016,609 | FROTH FLOTATION WITH ANISOTROPIC PARTICLE COLLECTORS | Sep 23, 19 | Jan 16, 20 | Not available |
| 2019/0126,291 | REAGENT SCHEME FOR SEDIMENTARY PHOSPHATE FLOTATION | Oct 31, 18 | May 02, 19 | Arr-Maz Products, L.P. |
| 2019/0111,442 | METHODS FOR FLOTATION RECOVERY OF VALUE MATERIAL FROM COARSE-SIZED PARTICLES | Oct 11, 18 | Apr 18, 19 | CYTEC INDUSTRIES INC. |
| 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.; |
| 2017/0173,594 | FROTH FLOTATION WITH ANISOTROPIC PARTICLE COLLECTORS | Dec 22, 15 | Jun 22, 17 | INTERNATIONAL BUSINESS MACHINES CORPORATION |
| 2015/0328,645 | Method for separating calcium carbonate and gypsum | Dec 18, 13 | Nov 19, 15 | Not available |
| 2015/0076,038 | Reverse Iron Ore Flotation By Collectors In Aqueous Nanoemulsion | Jun 18, 14 | Mar 19, 15 | CLARIANT (FRANCE) |
| 2012/0132,571 | Process and Composition for Froth Flotation | Feb 03, 12 | May 31, 12 | Not available |
| 2009/0301,941 | Process and composition for froth flotation | Feb 08, 06 | Dec 10, 09 | Not available |
| 2009/0145,821 | COLUMN FLOTATION CELL FOR ENHANCED RECOVERY OF MINERALS SUCH AS PHOSPHATES BY FROTH FLOTATION | Feb 12, 09 | Jun 11, 09 | THE MOSAIC COMPANY |
| 2009/0114,573 | Flotation Reagent For Silicates | Feb 26, 07 | May 07, 09 | CLARIANT INTERNATIONAL LTD. |
| 2009/0008,301 | Methods of Increasing Flotation Rate | Jan 14, 08 | Jan 08, 09 | Not available |