| 2024/0376,047 | COLLECTOR, FLOTATION METHOD, AND COMPOUND | Jul 04, 22 | Nov 14, 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 |
| 2024/0149,277 | DITHIOCARBAMATE DEPRESSANTS, METHODS AND USES THEREOF IN FROTH FLOTATION MINERAL SEPARATION | Feb 15, 22 | May 09, 24 | Tessenderlo Kerley Inc. |
| 2023/0338,971 | METHOD FOR SELECTIVELY RECOVERING ARSENIC-CONTAINING COPPER MINERAL, AND FLOTATION AGENT USED IN SAME | Jul 15, 21 | Oct 26, 23 | Japan Organization for Metals and Energy Security |
| 2023/0143,136 | SODIUM PETROLEUM SULFONATE COLLECTOR FOR FLUORITE FLOTATION AND ITS PREPARATION AND APPLICATION METHOD | Sep 07, 22 | May 11, 23 | Not available |
| 2022/0388,013 | Mining Collectors | Jun 23, 22 | Dec 08, 22 | Not available |
| 2021/0276,023 | ALKYL THIOETHER ETHYL HYDROXAMIC ACID BENEFICIATION REAGENT AND PREPARATION METHOD AND APPLICATION THEREOF | Jun 19, 20 | Sep 09, 21 | Central South University |
| 2019/0248,682 | METHOD FOR REMOVING HEAVY METALS FROM AN AQUEOUS SOLUTION | Oct 20, 17 | Aug 15, 19 | Not available |
| 2019/0217,310 | METHOD OF USING FLOTATION COLLECTOR CONTAINING AZOLETHIONE STRUCTURE | Mar 21, 19 | Jul 18, 19 | Central South University |
| 2019/0151,860 | FLOTATION AGENT OF THIOL ETHER STRUCTURE | Sep 16, 16 | May 23, 19 | Not available |
| 2018/0257,089 | Recovery of Molybdenum Using Sodium Metabisulfite and a Thiocarbonate Depressant | Mar 01, 18 | Sep 13, 18 | Not available |
| 2018/0036,742 | Mining Collector Compositions Containing Dodecylmethyl Sulfide and Processes for the Recovery of Metals Therewith | Aug 04, 16 | Feb 08, 18 | CHEVRON PHILLIPS CHEMICAL COMPANY LP |
| 2017/0361,335 | PROCESS FOR THE SELECTIVE FLOTATION OF KAINITE FROM MINERAL MIXTURES USING SULFATED FATTY ACIDS AS THE COLLECTOR REAGENT | Dec 01, 15 | Dec 21, 17 | K+S AKTIENGESELLSCHAFT |
| 2017/0282,193 | Mercaptanized Dicyclopentadiene Compositions and Use Thereof as a Mining Chemical Collector | Apr 05, 16 | Oct 05, 17 | CHEVRON PHILLIPS CHEMICAL COMPANY LP |
| 2017/0165,681 | Stable Aqueous Composition Of Neutral Collectors And Their Use In Mineral Beneficiation Processes | Apr 22, 15 | Jun 15, 17 | CLARIANT (FRANCE), CLARIANT INTERNATIONAL LTD., |
| 2016/0107,170 | PRODUCTION METHOD FOR LOW-SULFUR IRON ORE | Jun 23, 14 | Apr 21, 16 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
| 2015/0360,238 | CONDITIONING OF THE ORE IN THE COMMINUTION STEP AND RECOVERY OF DESIRED METAL VALUES BY FLOTATION | Dec 23, 13 | Dec 17, 15 | JAPAN OIL, GAS AND METALS NATIONAL CORPORATION, PLATREEF RESOURCES PROPRIETARY LIMITED, |
| 2015/0353,836 | FLOCCULANTS AND METHODS FOR RECOVERING BITUMEN FROM OIL SANDS | Jun 05, 14 | Dec 10, 15 | BAKER HUGHES INCORPORATED |
| 2015/0328,645 | Method for separating calcium carbonate and gypsum | Dec 18, 13 | Nov 19, 15 | Not available |