| 2024/0066,528 | METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE | Dec 22, 21 | Feb 29, 24 | Not available |
| 2022/0288,605 | Complex depressant for controlling zinc and iron in polymetallic-ore flotation, production process and application as a substitute for zinc sulfates and copper sulfates | Feb 24, 20 | Sep 15, 22 | Not available |
| 2022/0118,464 | PROCESS FOR SEPARATING MIXTURES OF SOLIDS | Jan 31, 20 | Apr 21, 22 | Not available |
| 2022/0055,042 | ENVIRONMENTALLY-FRIENDLY COMPOSITIONS AND METHODS FOR EXTRACTING MINERALS AND METALS FROM ORE | Nov 08, 21 | Feb 24, 22 | Not available |
| 2022/0016,645 | NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOBIC PARTICLE COLLECTION IN A PIPELINE SECTION | Sep 30, 21 | Jan 20, 22 | Not available |
| 2021/0379,603 | OPEN CELL OR RETICULATED FOAM HAVING 3-DIMENSIONAL OPEN-NETWORK STRUCTURE MADE OF A HYDROPHOBIC MATERIAL FOR SELECTIVE SEPARATION OF MINERAL PARTICLES | Feb 07, 19 | Dec 09, 21 | Not available |
| 2021/0276,024 | COMBINED COLLECTOR FOR ZINC OXIDE ORE FLOTATION AND USE THEREOF | Nov 27, 20 | Sep 09, 21 | Not available |
| 2021/0260,603 | IRON CHELATORS AS ACTIVATORS IN ALKALINE FLOTATION CIRCUITS | Jul 03, 19 | Aug 26, 21 | Not available |
| 2021/0008,571 | COLD WATER COLLECTOR SAPONIFICATION METHOD | Jun 10, 20 | Jan 14, 21 | Not available |
| 2020/0346,224 | MINERAL BENEFICIATION METHOD USING BIOREAGENT EXTRACTED FROM GRAM POSITIVE BACTERIA | May 16, 18 | Nov 05, 20 | VALE S.A. |
| 2020/0338,571 | COMPOSITIONS AND METHODS FOR REVERSE FROTH FLOTATION OF PHOSPHATE ORES | Jul 06, 20 | Oct 29, 20 | Not available |
| 2020/0316,613 | Mineral Processing | Mar 30, 20 | Oct 08, 20 | Not available |
| 2020/0238,302 | Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore | Apr 13, 20 | Jul 30, 20 | Not available |
| 2020/0222,914 | PROCESS TO TREAT PHOSPHATE ORES | Dec 18, 17 | Jul 16, 20 | Not available |
| 2019/0291,121 | NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOBIC PARTICLE COLLECTION IN A PIPELINE SECTION | Oct 10, 17 | Sep 26, 19 | Not available |
| 2019/0217,311 | CATIONIC POLYMER SELECTIVE DEPRESSANTS AND USE THEREOF IN MINERAL ORE PURIFICATION METHODS | Aug 30, 17 | Jul 18, 19 | Not available |
| 2019/0201,914 | METHOD AND SYSTEM FOR RELEASING MINERAL FROM SYNTHETIC BUBBLES AND BEADS | Apr 12, 18 | Jul 04, 19 | Not available |
| 2018/0272,359 | MINERAL BENEFICIATION UTILIZING ENGINEERED MATERIALS FOR MINERAL SEPARATION AND COARSE PARTICLE RECOVERY | Oct 17, 16 | Sep 27, 18 | Not available |
| 2018/0200,730 | MINERAL SEPARATION USING SIZED-, WEIGHT- OR MAGNETIC-BASED POLYMER BUBBLES OR BEADS | Oct 26, 17 | Jul 19, 18 | Not available |
| 2018/0078,951 | Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore | Sep 18, 17 | Mar 22, 18 | Not available |