| 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 |
| 2024/0174,797 | POLYESTERAMINES AND POLYESTERQUATS | Sep 29, 23 | May 30, 24 | Arkema France |
| 2024/0149,276 | APPLICATION OF SELENIUM-CONTAINING ORGANIC COMPOUNDS IN COPPER SULFIDE FLOTATION COLLECTORS | Feb 08, 23 | May 09, 24 | Not available |
| 2024/0149,277 | DITHIOCARBAMATE DEPRESSANTS, METHODS AND USES THEREOF IN FROTH FLOTATION MINERAL SEPARATION | Feb 15, 22 | May 09, 24 | Tessenderlo Kerley Inc. |
| 2024/0082,854 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Dec 22, 21 | Mar 14, 24 | Not available |
| 2024/0066,528 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Dec 22, 21 | Feb 29, 24 | Not available |
| 2023/0249,197 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Aug 10, 21 | Aug 10, 23 | Not available |
| 2023/0091,787 | Composition And Method For Use Of 1-Alkyl-5-Oxopyrrolidine-3-Carboxylic Acids As Collectors For Phosphate And Lithium Flotation | Sep 09, 21 | Mar 23, 23 | CLARIANT INTERNATIONAL LTD |
| 2023/0062,243 | USE OF 2-CYANO-N-(SUBSTITUTED CARBAMOYL)ACETAMIDE COMPOUND IN FLOTATION OF CALCIUM-BEARING MINERALS | Jun 22, 20 | Mar 02, 23 | Central South University |
| 2022/0266,263 | COLLECTOR COMPOSITION | Jul 24, 20 | Aug 25, 22 | Not available |
| 2022/0212,204 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE WITH A CATIONIC COLLECTOR | Apr 27, 20 | Jul 07, 22 | Not available |
| 2022/0176,386 | COLLECTOR COMPOSITIONS CONTAINING A N-ACYLATED AMINO ACID AND PROCESS TO TREAT NON-SULFIDIC ORES | Apr 17, 20 | Jun 09, 22 | Nouryon Chemicals International B.V. |
| 2021/0323,000 | FLOAT SORTING DEVICE FOR SELECTIVE SEPARATION OF NON-METALLIC MINERALS | Mar 29, 21 | Oct 21, 21 | Not available |
| 2021/0197,210 | PROCESS TO TREAT METAL OR MINERAL ORES AND COLLECTOR COMPOSITION THEREFOR | Oct 16, 18 | Jul 01, 21 | Nouryon Chemicals International B.V. |
| 2021/0069,729 | CONCENTRATION PROCESS OF IRON ORE SLIMES | Oct 03, 18 | Mar 11, 21 | Not available |
| 2021/0039,956 | COPPER(II)-AMMONIA COMPLEX ION SULFIDIZATION ACTIVATOR, PREPARATION AND APPLICATION THEREOF | Aug 03, 20 | Feb 11, 21 | Not available |
| 2020/0360,938 | ESTERQUATS FOR THE FLOTATION OF NON-SULFIDIC MINERALS AND ORES, AND METHOD | Jan 16, 18 | Nov 19, 20 | Clariant International Ltd. |
| 2019/0046,994 | USE OF ALKOXYLATED AMINES AS COLLECTOR AGENTS FOR ORE BENEFICIATION | Feb 13, 17 | Feb 14, 19 | Arkema France |
| 2019/0046,995 | USE OF ALKOXYLATED AMINES AS COLLECTOR AGENTS FOR ORE BENEFICIATION | Feb 13, 17 | Feb 14, 19 | Arkema France |
| 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.; |